Left hand computer mouse: 7 Reasons You Should Consider a Left-Handed Mouse – Even if You’re Right-Handed!


7 Reasons You Should Consider a Left-Handed Mouse – Even if You’re Right-Handed!

It’s not always easy to learn a new skill. It’s even harder when you have to use your non-dominant hand to master the task. While it may not sound like a sensible option, science suggests that switching to a left-handed mouse even when you’re right-handed could benefit you in a number of ways.

Most input devices cater to right-handed people, with only a few manufacturers creating devices purely for lefties. Although only about 10% of people are left-handed, you can quickly switch any ambidextrous model of a wireless mouse to either side of your desk as needed. Switching your mouse to the left hand may not be as radical of an idea as it sounds.

Why Consider Switching Your Mouse to the Left of Your Desk Setup?

Today, there are countless different types of mice for right-handed users. You can opt for a standard wired mouse or a wireless trackball to help improve your productivity. Using a mouse has become part of many people’s daily lives, requiring you to develop the same motor memory as driving a car or riding a bicycle.

Moving your hand from your keyboard to your mouse requires no thought whatsoever. The idea of retraining your left hand to control your mouse may seem implausible, but it shouldn’t take longer than a month of effort. Here are seven reasons to consider switching your mouse hand to the left:

1. Mitigates MSDs and RSIs

Musculoskeletal Disorders (MSDs) and Repetitive Strain Injuries (RSIs) happen when you perform the same actions every day, leading to pain in the muscles, tendons, and connective tissues. The way you control your input devices, especially if it’s not an ergonomic mouse, can lead to these types of injuries after years spent behind your desk.

By spreading the load around different muscles during the day, you can mitigate the effects of MSDs, RSIs, and other known strains or muscular injuries caused by office work. Swapping your mouse hand will reduce pain, fatigue, tingling, and numbness in your dominant hand.

2. Frees Your Right Hand to Do Other Tasks

When you’re talking on your phone and have to take notes, you swap your phone to the other hand without any problem. The same applies to your mouse. Once you’ve made the switch, you’ll be able to write with your dominant hand while still navigating around with your left and checking vital information on your computer.

“Mousing” more productively will help you get through tasks efficiently and free up your other hand to do things for which you can’t swap hands. You’ll also discover new real estate on the right side of your workstation, allowing you to keep a notepad and pen handy without needing to shift your equipment around.

3. Coworkers Will Avoid Using Your Devices

Coworkers often take liberties and quickly “borrow” your devices for their own work. If you switch to a left-handed mouse (and take the time to retrain your hand to use it effectively), chances are your coworkers won’t even try to use your device.

Even for the colleagues who try, they’ll soon find it difficult and cumbersome to use your left-handed mouse. By making the switch, you can ensure only you can use your mouse unless you share an office with an unusual amount of lefties.

4. Expands Your Skill Set

According to Kensington’s resident ergonomic expert, switching isn’t that hard to achieve, and it provides additional benefits for the future. However, there are some considerations to help you along the way.

“If considering switching to a left-handed mouse, try to do it gradually as you can have two pointer devices connected to your computer for use at a time. By starting (to learn) the skill slowly, you’ll avoid the frustration of it feeling foreign and most likely end up liking it in the end”.

Once you have mastered the skill, you may find yourself trying other things with your left hand, like stirring your coffee or operating your phone. It may just change the way you look at everyday tasks in the future.

5. Bonus Benefits of a Left-Handed Vertical Mouse

Switching to your left hand may spread the load on your joints when using your mouse, but a vertical left-handed mouse brings additional benefits. You can reduce the strain and pressure off your carpal tunnel by maintaining a neutral position when operating your input device.

You’ll also find it helps with managing your alignment to your workstation, forcing you into a neutral position even if your second monitor is still on the right side of your computer. Your keyboard and primary screen will no longer need to shift slightly to the left as it does when using your mouse with your right hand.

6. Boosts Your Cognitive Abilities

Training your brain to be ambidextrous will provide additional benefits and improve your cognitive abilities. You’ll discover many other tasks take time when you use only your dominant hand, creating new possibilities for how you go through your daily routines.

Research shows that while it may not change your neurology or make you smarter, it will change the way you look at everyday tasks.

Practicing to use your non-dominant hand for tasks usually reserved for that side will make you more productive, although you’ll need to train for different activities over time to become proficient.

7. Use Customization to Make the Transition

Using a different hand doesn’t mean also retraining your fingers. You can use software like KensingtonWorks™ to reassign your mouse buttons according to your personal needs. Once you have the navigation and control down, you can change your button assignments on your left-handed mouse to maximize your productivity.

KensingtonWorks allows you to modify your mouse and assign shortcuts and specific key combinations to a button. You can use these features to carry out standard tasks that you regularly perform during your daily workflows.

Developing Your Left-Hand Mouse Skills with Kensington

At Kensington, we develop solutions that ensure you can be more productive behind your desk. With a left-handed mouse, you can free up your right hand and get through more work every day. You will also start viewing your daily routines differently and look for other ways where your left hand can help you be more productive. By taking the time to retrain your motor skills for controlling your PC with a vertical, left-handed mouse, you will be operating your workstation with both hands in no time.

See a list of our different devices that can help you switch your mouse to the left of your computer.

Left-handed mouse: the best you can buy

If you’re searching for the best left-handed mouse, you could be in for a bumpy ride. Even in modern, inclusive times, mouse makers are having trouble remembering to cater properly for left-handed computer users – churning out bundles of right-handed mice and not enough for lefties. 

As we’re sure you’re aware, this can be incredibly frustrating because the humble mouse is one of the most important bits of kit we can own as computer users. And it’s especially important for creatives that a mouse is uber-comfortable to use.

This is where our guide comes in. 

We’ve collected the best mice for left-handed users and listed them here, so you can easily find the best one for your needs. Not every mouse is specifically for lefties, many are ambidextrous in design so you can use them comfortably in either hand. You’ll notice that some mice on this page come with plenty of additional buttons. These can be configured to help speed up your workflow, and help you be even more productive. Of course, we also have left-handed mice that favour simplicity, and so still with that tried-and-tested two-button design. 

For more ambidextrous options, take a look at our main buying guide to the best mouse around.

Left-handed mouse: the best options available now

(Image credit: Logitech)

01. Logitech G903

The best all-round left-handed mouse

DPI: 200–12,000 | Interface: Lightspeed wireless | Buttons: 11 | Features: Powerplay compatible, 5 profiles, mechanical button tensioning

Wireless charging

High accuracy

Lots of buttons


The Logitech G903 is a wireless gaming mouse that does it all. Thanks to 11 programmable buttons and up to 12,000 DPI of accuracy, this left-handed mouse offers more than most could even use. The mechanical button tensioning (which gives you physical feedback through the button clicks) lets you personalise it exactly. Even more useful are the five profiles you can switch between – adjust settings like sensitivity and button uses to enable you to hop between designing, browsing, and gaming uses. Wireless charging using the PowerPlay mat is another great feature that makes that 32-hour battery life even less of a worry. You can leave the lighting on, lowering battery to 24-hours of use, without worry.

(Image credit: SteelSeries)

02. SteelSeries Sensei Ten

The best gaming mouse for left-handed users

DPI: 50–18,000 in 50 in increments | Features: TrueMove Pro sensor, 50G acceleration, Tilt Tracking, 60 Million Click Mechanical Switches, Ambidextrous Design

Ambidextrous design

Onboard profile customization

No braided cable

A bit lightweight

If you’re after a left-handed gaming mouse, then your options are limited, but the good news is that many mouse makers are now embracing ambidextrous designs, which means their mice are comfortable to use for both left- and right-handed people. SteelSeries is one of those manufacturers, and the Sensei Ten combines a left-hand-friendly design with a brilliant sensor that makes it fast and accurate to use. There’s loads of customisation options, and it comes with a Tilt Tracking feature, which keeps tracking your movements even when you’re lifting your mouse and putting it back down at tilted angles.

(Image credit: Microsoft)

03. Microsoft Bluetooth Mobile Mouse 3600

The best budget mouse for left-handed users

DPI: 1000 | Interface: Bluetooth | Buttons: 2 | Features: No

Really, really cheap


Smaller than most mice


The Microsoft Bluetooth Mobile Mouse 3600 is the best left-handed mouse for people on a budget. It’s compact and affordable, but crucially, it’s well built as well. It’s ideal for people who travel a lot and want a dependable wireless mouse that they can easily carry around.

Its ambidextrous design means it’s a great choice for left-handed users as well. Microsoft has a formidable reputation when it comes to peripherals, and the Microsoft Bluetooth Mobile Mouse 3600 is a great example of this.

(Image credit: Mad Catz)

04. Mad Catz Rat 1

Best affordable left-handed mouse

DPI: 2,000 | Interface: Wired | Buttons: 3 | Features: Dynamic ergonomics


Customisable build

Attractive design

Only three buttons

The Mad Catz Rat 1 is a wired mouse that’s impressive to look at but somehow remains low in price. The quirky aesthetic is functional too, as the design means the mouse can be adjusted to fit any hand for perfect ergonomic comfort. There are only three buttons, but that keeps this mouse light for travel (it can even be split to make it more compact). With multiple colour options and a very low price, this is a tough mouse to beat.  

(Image credit: SteelSeries)

05. SteelSeries Sensei 310

A great high-end left-handed mouse

DPI: 100–12,000 | Interface: Wired | Buttons: 8 | Features: Esports sensor, split-trigger buttons, dual RGb lighting

Esports sensor onboard

Split-trigger buttons


32-bit ARM processor

Not wireless

The SteelSeries Sensei 310 is a mouse built for gamers, meaning it’s crammed full of useful tech that designers and general users alike can benefit from. A whopping 12,000 DPI capability makes this super-sensitive (if you have it set to that high level). An ARM 32-bit processor – once a dream even for smartphones – helps compute all this data so you end up with the smoothest end result, which is what it’s all about really, isn’t it?

(Image credit: Evoluent)

06. Evoluent VerticalMouse 4

Best vertical mouse for left-handers

DPI: 2,600 | Interface: Wired | Buttons: 6 | Features: Enhanced ergonomics

Pure ergonomic comfort

Highly adjustable


The Evoluent VerticalMouse 4 has gone through many generations since it first appeared in 2002, and it’s still going strong. The ergonomic design keeps your wrist from twisting thereby creating maximum comfort and promising long-term wrist health. The optical sensor and pointer are adjustable and buttons are available for fingers and thumbs (there are six in total). This mouse isn’t cheap, but as a designer it’s worth shelling out a bit more if it means keeping your wrist and hands happy.

Today’s best left handed mouse deals

Read more:

The best left-handed mouse for gaming

Finding the best left-handed mouse for gaming shouldn’t be this tricky, but even in 2021 we lefties still have a startlingly small choice of gaming mice. While you might find something close to what you’re after—there has been a slight resurgence in southpaw mouse models—there are still very few barely any that are actually

built for us.

Best gaming mouse

(Image credit: Razer, Corsair)

For a deeper look at what the best mice are for gaming check out our best gaming mouse list.

Now, of course, a lot of us left-handers can use the rodents designed for the masses quite competently, having had to for most of our lives, but it’s not really the same. The ergonomics are all wrong and side button arrangements are a nightmare. 

Until very recently, tailor-made, left-handed mouse models were sparse. Now Razer has released a left-handed version of the Naga, and given the rise of ambidextrous models, the best left-handed mouse for gaming list doesn’t look as barren as it used to. Going ambidextrous is a genuinely good option for those of us on the hunt for a sinister pointer.

I speak from personal experience, and the top dogs at PC Gamer have allowed me to create this guide to help others like me find their version of the best left-handed mouse for gaming.

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1. Logitech G903

The best wireless left-handed mouse


DPI: 12,000

Sensor: Optical PMW3366

Battery: 32 hours (w/o RGB) rechargeable

Interface: USB

Buttons: 11

Ergonomic: Ambidextrous

Weight: 3.1 oz (107 g)


Reasons to buy

+Removable buttons+Great ergonomics and battery life+Very satisfying click

The Logitech G903 is not strictly a left-handed mouse, but it has to be in contention with its ambidextrous design. Starting with the design, it’s a really comfortable shape that fits the hand well and houses removable thumb buttons that can be changed according to the user (should you ever have a right-handed person usurp your mouse from you). Said thumb buttons, and the others on the pointer, have the best click I’ve ever tested: satisfying to push, feel, and hear. On top, its metal scroll wheel can click side-to-side and spin freely for 15 seconds—though you can use it as a notched button if you prefer. It uses Logitech’s tried and tested (and incredibly accurate) 12,000 DPI sensor, too.

Overall, the G903 is a quality wireless option for lefties that will serve you just as well, if not slightly better, than some wired alternatives. And having said that, you can even plug it in and use it as a wired mouse if you prefer.

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Razer Viper

Best left-handed mouse for esports


DPI: 16,000

Sensor: Optical 5G

Interface: USB

Buttons: 8

Ergonomic: Ambidextrous

Weight: 2.4 oz (69 g)


Reasons to buy

+Super lightweight frame+Very comfortable+16K DPI and 5G sensor

You can always make the argument for bigger and more so far as gaming mice are concerned, but Razer wisely takes the path less traveled here. The Razer Viper is a scalpel of a pointer with absolutely no excess to weigh it down. That extends to both its spartan design and the impressive, cutting-edge tech inside. Coming in at just 69g and with a 16,000 DPI 5G sensor, the Viper offers an exceptionally smooth glide. Its optical switches are the real headliner act, though. These are supposed to triple actuation speed and provide near-instantaneous responses to every click. This results in blindingly fast action, making the Viper perfect for esports.

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3. Corsair M55 RGB Pro

This ambidextrous pointer delivers the goods


DPI: 12,400

Sensor: Optical

Interface: USB

Buttons: 8

Ergonomic: Ambidextrous

Weight: 3.1 oz (89 g)


Reasons to buy

+Comfortable, sleek design+Smooth glide+Lightweight

Ambidextrous mice have an unenviable task of attempting to please two opposites. Corsair’s M55 RGB Pro handles this better than most. It’s a comfortable, user-friendly pointer with a meager 89g to its name that allows it to glide smoothly across the best mouse pads for gaming. What’s more, switching between left- or right-handed mode is as easy as holding down two programmable buttons. The grippy case also means you’re never less than in complete control. Simultaneously, its responsive optical sensor offers up to 12,400 DPI (and don’t forget individual DPI profiles that can be customized via iCue software). Flaws are lurking beneath the M55’s attractive shell, but you can’t complain when it’s available for such an affordable price.

Read the full Corsair M55 RGB Pro review.

Best gaming keyboard | Best gaming PC | Best gaming chair
Best VR headset | Best wireless gaming mouse | Best wireless gaming keyboard  

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4. Razer Lancehead

Another strong go-to for lefties


DPI: 16,000

Sensor: Optical 5G

Battery: 24 hours (with RGB) rechargeable

Interface: USB

Buttons: 9

Ergonomic: Ambidextrous

Weight: 3.9 oz (111 g)


Reasons to buy

+Excellent design+Brilliant location of buttons+Incredibly responsive

This wireless, ambidextrous mouse is the most expensive on the list, but it’s such a quality rodent it’s worth at least considering. It has a smooth design, but unlike the Deathadder, it has rubber grips on either side to help with your hand’s positioning and comfort. 

All nine buttons are programmable and have that genuine sense of Razer quality, while underneath the 16,000 DPI sensor is excellent and ensures quality tracking. It’s another medium-sized mouse with an average of 111g weight for a wireless rodent that has to take batteries with it.

The side buttons aren’t detachable, so you’ll have to get used to their placement, but they are well designed enough for you to have good odds of avoiding them by accident as well as using them when you intend to as extra, bonus buttons. A big selling point of this is the 24-hour battery life you’ll get, with the lighting enabled too. Impressive. The wired version, the Lancehead Tournament Edition, is also a worthy choice and a bit cheaper if you can’t stretch to the wireless version.

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SteelSeries Sensei 310

A comfortable all-rounder


DPI: 12,000

Sensor: Optical

Interface: USB

Buttons: 8

Ergonomic: Ambidextrous

Weight: 3.2 oz (92 g)


Reasons to buy

+Light at 92 grams+Great design with good grips and materials

This is an underrated mouse that has benefited from a complete overhaul of its predecessor. Almost all of it is brand new apart from the excellent ambidextrous shape, and that’s exactly how it should be. The Sensei’s design is now easy to grip and won’t feel weird if you have hot or sweaty palms.

The shape is wonderfully comfortable and will be great for those looking for a mid-sized pointer for their machine. It has a pair of thumb buttons on both sides, identical in arrangement and placing. These may well get in the way for either a left- or right-handed user, but because of their redesign, they are both near enough to be used but just out of the way enough to avoid accidental clicking. Anyone looking for a mid-sized and light enough option should consider the Sensei 310.

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A great affordable lefty mouse


DPI: 12,000

Sensor: Optical

Interface: USB

Buttons: 11

Ergonomic: Ambidextrous

Weight: 3.5 oz (99 g)


Reasons to buy

+Great value+Flexible button functioning

The Roccat Kova is a fine ambidextrous mouse that offers up a decent value proposition. It features unique Smart Cast buttons that flank each primary button and has 10 programmable buttons that users can map; however, they wish (primary and secondary functions available) with Roccat’s Easy-Shift+ tech.

The weakest part of the Kova is Roccat’s software, Swarm. Its primary purpose is to serve you much like Razer’s Synapse software offers you flexibility and customization with button layouts. Unfortunately, it’s rather convoluted and not as intuitive as the others, meaning it can be annoying to work with. Stand out detractors include limited slots for game-specific profiles and confusingly labeled menu options. If you can manage this or look beyond it—or exert angelic patience and get used to all its idiosyncrasies—there’s an excellent ambidextrous, comfortable and well-performing mouse beneath it all that’s worthy of a lefties’ consideration.

Read the full Roccat Kova Aimo review.

Round up of today’s best deals

Left Handed Computer Mouse

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Swap mouse buttons to make them left-handed

Which hand do use to control your computer mouse? Most computers are set up by default to have the mouse on the right. This can be useful for left-handers if you are taking notes or writing while you are also using the mouse as you can do so with your left hand.

On the other hand (!) most left-handers have better fine control with their left hand so would prefer to have the mouse on the left. Some lefties just put the mouse on the left and leave the buttons set at their default, with the main “clicking” button still being the left one and using it with their middle finger (this does not apply to Apple Macs which do not have 2 mouse buttons).

It is more common to actually switch the mouse buttons over so the left index finger is still doing the main clicking and this can easily be done in Windows…
Start / Settings / Control Panel / Mouse /
and on the Buttons Tab tick the box for “Switch primary and secondary buttons”

This can cause problems if you share the computer with a right-hander. Mauricio Tejada in Japan has produced a clever utility that allows you to instantly swap the mouse buttons for right- or left-handers by just pressing Ctrl-F12 instead of going through the Windows Control Panel.

It also changes the mouse pointer and hand icons to left-handed versions at the same time (shown on the left of this image).

You can also configure the “hot-key” settings to your own choice and set whether the pointers should automatically change or not. This clever programme is completely free and you can download it (only 461K) here

Many thanks to Mauricio for making this available to us.

A lot of the better quality mouses (mice?) are now being made in ergonomic designs to make them more comfortable and also with more function buttons available. As always, very few manufacturers bother to think about left-handers when designing their products so congratulations to Logitec, who have made a great left-handed ergonomic mouse.

Click here to see other left-handed computer equipment


The Best Left Handed Ergonomic Mouses and Keyboards in 2021

Anywhere between 10-15% of the population is left-handed (and I’m one of them ;)). But we still struggle along, trying to use products designed for right-handed people. When it comes to using a computer mouse and keyboard, this often causes hand and wrist strain. It can even lead to long-term conditions like RSI (Repetitive Strain Injury). 

There are other drawbacks to using right-handed products, too. You also have less control over the mouse, and it’s hard to be as precise, especially if you work long hours on a graphic design project. That’s why it’s so important to find a quality left-handed keyboard and mouse!

Here’s my guide to buying the best left-handed mouse and keyboard. Read on to discover what to look for. Then, you’ll find my top recommended keyboards and mice to help you choose which one to go for.

Related Articles:

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How to Choose the Best Left-Handed Mouse

If you’re left-handed creative, there are some great mouse options out there for you. Ambidextrous mice are designed to be suitable for anyone, whether you’re a lefty or a righty. They often have a symmetrical design and buttons on either side. There are also left-handed specific products, but they tend to be more expensive. 

Whether you go for a left-handed trackball mouse or an ambidextrous mouse, here’s what to look out for:


You need a mouse that has an ergonomic shape, so your hand sits in the correct position. The best mice have a vertical design, allowing your hand to fall into a handshake position. That is optimal for your hand, wrist, arm, and shoulder. It will prevent strains, aches, and pains, and even reduce your risk of developing RSI (Repetitive Strain Injury).

Positioning of Buttons

It’s essential that the buttons are in easy reach of your fingers. The further you have to extend, the more strain you put on your joints and muscles. The best left-handed mouse will have been designed with this in mind. Some mice even have programmable buttons, so you can decide what each one does.


You don’t want a mouse that will break or start playing up after a few weeks. Go for one that is made from sturdy materials and comes highly recommended. (Check the reviews first!)

Sensor Performance

A mouse’s sensor performance is measured in DPI (Dots per inch). The higher the DPI, the more precise your mouse will be. The performance is important: You want a mouse that is responsive and accurate. There’s nothing more annoying than a mouse that keeps getting stuck.


The price should always be a consideration. You’ll find a range of mice listed below, with something for every budget. If you need a high-functioning mouse for gaming, you’ll need to spend a bit more money. Otherwise, there are some very affordable options out there.

How to Choose the Best Left-Handed Keyboard

There are a few things to consider before buying a left-handed keyboard. The keypad should be on the left, making it easy to reach with your left hand. Look for low-force keys, so you don’t have to exert as much pressure on them. 

Other important features include an adjustable angle of the keyboard for optimal positioning. Mechanical keys are also fantastic, as they give better feedback and are more durable. You could also consider going for a separate keypad, so you can place it wherever you like. You might also want to look for a left-handed wireless keyboard rather than a wired version.

What is the Best Left-Handed Mouse? My Reviews

Razer Basilisk Essential Left-Handed

(Image credit: Razer)

Gaming mice take quality and performance to the next level. But left-handed gaming mice are few and far between, so this model is highly sought-after. With 3,500 DPI, this mouse is incredibly precise. You won’t have to spend time waiting for your mouse to catch up with you. (We all know how frustrating that is!) Thanks to smart ultrapolling technology, you get a much faster response time. A great buy for serious gamers!

  • Specially designed for left-handers
  • Impressive performance, precision, and sensor

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Lekvey Wireless Left Hand Ergonomic Vertical Mouse

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This ergonomic mouse is specially designed for left-handed people. It will assure that you have the optimal hand positioning, reducing pains and the risk of RSI (Repetitive Strain Injury). You’ll be able to work longer with this vertical mouse and get more done! Plus, it’s suitable for everything from browsing to gaming. The sensor is powerful, giving you better control and precision while you work or play.

  • Ergonomic mouse reduces hand and wrist strain
  • Very smooth trackingNot ideal if you have small hands

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ELECOM M-XT4DRBK Wireless Trackball mouse for Left-Handed

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Particular attention was paid to the creation of this Japanese wireless left-handed trackball mouse. With its innovative design, you will be both productive and comfortable. The design of this ergonomic mouse focused on 6 skeletal structures and hand muscles offers.

  • Highly reliable switches made by OMRON Company
  • Cursor speed changeable
  • Too large for smaller hands

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SteelSeries Rival 310 Gaming Mouse

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If you’re looking for a top-quality gaming mouse on a budget, check out the SteelSeries Rival 310. It offers outstanding precision and control, and it feels comfortable in your hand. It’s cleverly contoured to give a firm grip and feels durable, too. There are six buttons on this mouse, all carefully placed. The scroll wheel is easy to use and effective. When it comes to performance, this gaming mouse blows all its competitors out of the water!

  • Fantastic price for a gaming mouse
  • Incredible control with 12,000 DPI
  • Too small for larger hands

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Evoluent VM4R Vertical Mouse

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Evoluent has lead the way in creating ergonomic vertical mouses. The VM4R is no different, allowing your hand to fall into the natural handshake position. With this mouse, it’s easy to control the cursor and click with minimal pressure. You’ll have six buttons at your fingertips as well as a scroll wheel. Plus, you can program the mouse the way you like and select your ideal mouse speed.

  • Highly programmable and customizable
  • The ideal positioning for long periods of use
  • Not the cheapest left-handed mouse

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Logitech G900 Lefty Ergonomic Wireless Mouse

(Image credit: Evoluent)

This affordable left-handed wireless mouse by Logitech has everything the left-handed user needs. It’s lightweight, tracks smoothly and precisely, and makes very little noise. You can adjust the DPI level according to your needs. The best bit is that your hand will sit in the optimal position, reducing strain. The buttons are in precisely the right place for left-handers. If you’re looking for the best left handed mouse, this one is a serious contender.

  • Great, ergonomic fit for the hand
  • Includes a 2-year warranty
  • Takes some time to get used to

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Macally Silent USB Mouse 

(Image credit: Macally)

This compact, sleek mouse is virtually silent. You (and your colleagues) will be able to work in peace. While it’s not a left-handed wireless mouse, it is very slim so you can take it anywhere. It’s easy to use, and you can get it up and running in seconds – there are no drivers to install. This Macally mouse is suitable for everyone and looks cool too. It’s the best ambidextrous mouse around!

  • No battery required
  • Wide range of DPI adjustability according to your needs
  • Not a wireless option

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Newtral Wireless Left Handed Semi-Vertical Ergonomic Mouse

(Image credit: Microtouch)

Careful thought went into creating this Newtral Left-handed mouse. With its smart design, you’ll be comfortable no matter how long you work. Your hand will rest in its natural position thanks to the semi-vertical shape. There’s even a detachable armrest for better precision and comfort. Plus, the buttons are all programmable so that you can adapt this mouse to your needs.

  • Unique semi-vertical design reduces the risk of pain and RSI (Repetitive Strain Injury).  in hand
  • 3 years warranty included
  • More expensive than other models

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The Best Left-handed Keyboards – The Reviews

  1. Ergonomic Left Handed Keyboard
  2. Homelex Left-Handed Left Number Keyboard Financial Design Budget Stocks Office
  3. B945 Light Strike Optical Gaming Keyboard

1. Ergonomic Left Handed Keyboard

This ergonomic keyboard is perfect for left-handers. The keypad is on the left and easily accessible with the dominant left hand. The keys are arranged in a clever A shape, which reduces strain and improves posture. This keyboard is also useful for right-handed people. It brings your right mouse hand closer to the keyboard, putting less stress on your shoulder.

  • Unique ergonomic design
  • Number keys are on the left
  • This keyboard is wired rather than wireless

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2. Homelex Left-Handed Left Number Keyboard Financial Design Budget Stocks Office

(Image credit: Homelex)

This left-handed keyboard is another excellent option for left-handers. As you’d expect, it has the keypad on the left. This means that you don’t have to operate the keypad with your right hand – essential if you input numbers often. You’ll have better posture using this sturdy keyboard. As a result, you can work comfortably for longer.

  • Increased productivity due to the smart design
  • The dual USB interface is a useful feature
  • This keyboard isn’t internally lit

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3. B945 Light Strike Optical Gaming Keyboard

(Image credit: BLOODY)

If you’re looking for a keyboard with all the bells and whistles, go for this optical gaming keyboard. The keys are incredibly responsive, so you don’t need to press as hard. As a result, your fingers and wrists won’t tire, and you can play (or work) for longer. It’s highly durable and water-resistant, so it should last you for years. The backlighting allows you to locate the right keys every time. But most important is the ergonomic design. The keypad is on the left, and you even get a detachable wrist rest for extra comfort.

  • Responsive keys and an ergonomic design
  • Wrist support pad included
  • The most expensive option on our list

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Related Articles:

The Wrap Up 

So there you have the best left handed mouse and keyboard options on the market right now! Once you switch to a left-handed mouse and keyboard, you won’t look back! The benefit of increased comfort and productivity is huge. Check out more helpful resources like this article at Proactive Creative!

This post contains affiliate links. If you make a purchase, Proactive Creative may receive a small commission at no additional cost to you. Please read our disclosure for more info.

Hippus HandShoe Left Handed Ergonomic Wireless Mouse



Related Products

Model Description


Black Small up to 175 mm (up to 6.9″) Left Handed Wireless Mouse


Black Medium 175 – 195 mm (6.9″- 7.7″) Wireless Left Handed Mouse


Black Large 195 – 215 mm (7.7″- 8.5″) Wireless Left Handshoe Mouse



The user friendly HandShoe Mouse is an ergonomic mouse available in 3 standard sizes: Small, Medium and Large. The HandShoe Mouse is plug and play; no special software drivers for Mac or PC are needed. Controls consist of 2 buttons at an ergonomic position and a scroll wheel fitted with a switch mechanism.

The large size HandShoe Mouse has a third mouse button. This mouse button is not programmable; it has the same function as the click function underneath the scroll wheel.

To maximize the advantages of this mouse and experience maximum comfort, a correct fit is required. Therefore the hand has to be measured.

Measure on the inside of the stretched out hand. The distance from your wrist (the cross over between hand and arm) up to the tip of the ring finger. This length provides an indication of the required size.


BlueRay Track version of HandShoeMouse

You can also order a BlueRay Track (BRT) version of the HandShoe Mouse which will work on almost every surface. The BRT version works with a higher resolution than the standard: 1000 dpi. The BRT Light Click (LC) version: has a resolution of 1500 dpi.




  • USB 1.1 (compatible with USB 1.1 and USB 2.0)
  • Separate USB connection on the HandShoeMouse
  • Battery wireless version is charged with USB cable


Two buttons at ergonomic position plus scroll wheel

Scroll Wheel

Fitted with switch (just pushing it performs scroll function too)

Control Mechanism

  • Standard: optical 800 dpi; BlueRay Track: 1000 dpi
  • BlueRay Track Light Click (LC): 1500 dpi

Operating Systems

  • Windows 95, 98, 2000, NT, XP, Vista and Windows 7
  • Mac OS 9 or Mac OS X
  • Unix, Linux

More Information about the wireless version

Wireless Mouse Rechargeable Battery:

  • Sleep mode creates extended battery life
  • Technically advanced solution
  • Environmentally friendly
  • Poll rate (Herz) of the electronics is 113~118Hz and up to 120Hz
  • Wireless range of the receiver is 10 m
  • Receiver/dongle of standard BRT version is fitted with a LED light which goes on and off when operating the mouse.
  • Receiver/dongle of BRT Light Click (LC) version is smaller and does’t have a light.
  • The wireless HandShoeMouse uses a lithium ion battery which can only be removed by professional service providers only.
  • Battery life is approximately 2 years.
  • Operating time for the wireless version is around 4 weeks.
  • Charging of the wireless version takes around 3 hours.
  • Charging takes place by means of USB cable; The PC or laptop needs to be switched on during charging.
  • One can continue working while charging the battery; the micro receiver/dongle must be in place.


HandShoe Mouse is the best ergonomic mouse in the world.

Did you know that one in six workers are suffering from some form of RSI or Carpal Tunnel Syndrome, mostly related to intensive use of a traditional computer mouse?

The HandShoe Mouse has been developed by a Dutch medical university and has been tested in large organizations for almost two years. During these tests we saw many people who were suffering from RSI or Carpal Tunnel Syndrome, coming back to work again.

The reason is that the unique and patented shape of the HandShoe Mouse fully supports your hand in the best relaxed position and prevents gripping and pinching, what you do when you use a standard mouse.

However excellent the functionality of the standard computer mouse – we all use it with great ease – most of the time it is too small for the hand while its shape forces your hand and fingers in an unnatural gripping position. It lacks comfort and the gripping and pinching, as well as the hovering of your fingers above the mouse buttons are the major sources of complaints which may lead to Repetitive Strain Injury (RSI) or Carpal Tunnel Syndrome.

The Research team has also tested a vertical mouse and found that gripping and pinching of a vertical mouse is still a potential source of RSI or Carpal Tunnel Syndrome. Another medical university found that with a vertical mouse the “interosseous membrane” is extremely taut (“stressed”) which also may lead to complaints.

The HandShoe Mouse was developed with all complaints in mind. Support of your hand and fingers prevents gripping and pinching and your arm is supported at the ideal angle of 25-30 degrees which makes sure your forearm is completely relaxed. So, you will understand that the HandShoe Mouse is the latest technology in the Evolution of the computer mouse as shown here:


This is Why HandShoe Mouse is different:

  1. Based on proper medical university research and extensive field testing
  2. Your hand, thumb and fingers are supported in the best, relaxed position
  3. There is no friction between the skin of your hand and the desk top


Prevent RSI and Carpal Tunnel Syndrome

Instead of over-using your hand and wrist, your arm will most of the time let the optical HandShoe Mouse float without any effort. The shape allows for the hand to continuously rest on the mouse body in a relaxed fashion, so there is no skin contact between your hand and the desk. As a result there is no skin irritation as caused by excessive rubbing when moving a conventional mouse. Contrary to conventional computer mice you don’t have to continuously lift (hover) the fingers, to prevent accidental switching.

The buttons of this ergonomic mouse are positioned in line with the fingers. Only minor pressure is required to click the buttons. The thumb rest of the HandShoe Mouse allows for a relaxed position and prevents excessive thumb action which can be harmful.

HandShoe = “Glove”. In Dutch the word HandShoe means “Glove”. The HandShoe Mouse “fits like a glove” or, like some people say “feels like a saddle for the hand”. The HandShoe Mouse is available in three standard sizes (Small, Medium and Large) which are available in a wireless and a wired version. So size matters and there is a HandShoe Mouse for everyone. The HandShoe Mouse is developed, based on proper university research and measurements and not on beliefs of individuals.


Prevent Carpal Tunnel Syndrome

Do you feel pins and needles in fingers, loss of sensation and even burning pain?

This may be the result of the awkward bent position your hand is forced into, when working with a mouse that does not give full support. You then get excessive pressure on the Median and Ulnar Nerve. With a mouse that doesn’t fully supports your hand, like a standard mouse or a vertical mouse, you run the risk of Carpal Tunnel Syndrome or Guyon’s Canal Syndrome.

Two separate parts of the hand can be affected, little and ring finger and the remaining part of the hand. The full support by the HandShoe Mouse helps to prevent this.

Awkward bent position

Full support by the Handshoe Mouse

“Reaching for your mouse” without the support of your forearm, or using a mouse that doesn’t fully supports your hand, forces your wrist in an awkward bent position which may lead to serious neural effects.

Let’s explain: Excessive pressure on the median and ulnar nerves, which control your hand and fingers, will first be noticed by a feeling of pins and needles in the fingers, followed by loss of sensation and even burning pain. This is generally called carpal tunnel syndrome.

Two separate parts of the hand can be affected: pinky plus ring finger and the remaining part of the hand. Special attention should be paid to support the pinky side of the hand which is served by the more exposed ulnar nerve which runs through a separate tunnel.

A minute bone, the pisiform, acts like a protecting shield. So if you push your hand on the desk and force it in a gripping, claw-like position, you stand a good chance to experience pins and needles and the burning pain.

Guyon’s Canal with Ulnar Nerve

Carpal Tunnel with Median Nerve

Working from the wrist and pressing down on the desktop can increase this risk. The special shape of the HandShoe Mouse provides full support of the hand and fingers to prevent these complaints.

The Dutch medical Erasmus university developed the HandShoe Mouse especially to prevent people getting Carpal Tunnel Syndrome and Repetitive Strain Injury. More Research information can be found on the Research Page. Recently a new standard was set with the Light Click buttons of the HandShoe Mouse which also helps people who are already suffering from Carpal Tunnel Syndrome or RSI.


HandShoe Mouse: Ergonomic Mouse Backed By Ergonomic Research

In the past decade, the use of computers has exploded and today you’ll find computers in every company or organization and in a fast growing percentage for private use at home. Today it has also become clear from dedicated research, that almost one in six office workers are suffering from Musculoskeletal Disorders (MSD), including Repetitive Strain Injury (RSI) and Carpal Tunnel Syndrome.

Research has proven that a lot of these complaints are related to the use of a conventional, standard computer mouse.

The Erasmus University Medical Center in the Netherlands has clearly identified these problems and has also spent several years to design and test in the field, the best and most comfortable ergonomic mouse. On this website you’ll find the research background information for the ergonomic mouse, the proof of the studies by means of electromyogram (EMG) measurements and the best solution for your hand: the HandShoe Mouse.


Gripping and Pinching

Studies performed by the Medical Center of Erasmus University in the Netherlands, have shown that physical complaints, as a result of the extensive use of a conventional computer mouse, were often related to excessive gripping and pinching of the mouse. A standard computer mouse is simply too small for your hand, so you need to keep your hand and fingers in an unnatural gripping and pinching position to hold on to the mouse.

Gripping and pinching may result in tension in your deep neck muscles. (see image below)

This may lead to a reduction of the space between the first rib and the clavicular bone which could translate in pressure on nerves, arteries and veins and a restricted blood flow in your arms and hands.

Examples of complaints, caused by gripping and pinching are:

  • Head aches radiating from the neck area
  • Tingling feeling in arms and hands
  • Reduced mobility of the head
  • Loss of force in the hands
  • Obstruction of blood flow, numb feeling

Complaints may also increase as a result of stress.


Continuous Lifting of Fingers (“Hovering”)

The Erasmus University studies have also shown that, when using a conventional computer mouse, you are obliged to almost continuously lift the fingers above the mouse to prevent inadvertent switching.

This may lead to over exertion of certain muscles (the extensor muscles) in your arms and hands. As a result of this exertion, excessive tension in the deep neck muscles may occur. When these muscles are tense they can virtually close the costoclavicular gate between the first rib and the clavicular bone.

Another aspect addressed by professor Van Zwieten of Hasselt University in Belgium is the highly intense use of fingers, for example with a conventional computer mouse. This may lead to hand- or finger complaints. To understand the finger positions concerned, we analyzed some of its joints by functional anatomical research. It appears that the functional demand of a stabilised arch of the finger will be met, by designing and using a computer mouse that is pre-shaped to prevent disorders caused by intense use of the mouse. In current e-learning practice, each student’s fingers, hand, and even whole upper extremity, may benefit from ergonomically safe working conditions, thus using the computer successfully.

A statically and dynamically stabilized finger arch as is enabled by the HandShoe Mouse is needed to prevent complaints. Blood vessels and nerves that pass through this gate may be pinched and the blood circulation may thus be hampered (possibly also resulting in carpal tunnel syndrome).

Pronation of the forearm

When a (seated) person shifts his hand, palm downwards (fully pronated forearm), to and from his body, e.g. by moving a conventional computer mouse over a desk top, the Radius gradually crosses the Ulna. This is partially realised by contraction of the muscle Pronator Teres. Crossing of Radius over Ulna is defined as pronation of the forearm. Such frequent movements could result in Repetitive Strain Injury complaints.

So called neutral or “handshake” position

Next to the above subject, “pronation of the forearm”, it is interesting to observe the behaviour of the membrane which sits between Ulna and Radius, the two forearm bones. For example, muscles of the forearm attach to this membrane. The membrane also transfers forces from the radius, to the ulna and to the humerus.

In vitro studies by Professors K.J. van Zwieten, K.P.Schmidt et al, University of Hasselt demonstrated that the use of a vertical PC-mouse in “handshake” positions should be re-evaluated. The so called neutral or “handshake” position results in a maximally taut membrane between Ulna and Radius. In general thumb and index finger long muscles originate from this forearm interosseous membrane. Therefore the need to grip and pinch a vertical mouse results in unnecessary strains in the already taut membrane and may cause physical complaints.

Studies with regard to the design of the PC-mouse by National Taiwan University and Erasamus University Medical Center have resulted in a slightly slanted mouse body as with the HandShoe Mouse to prevent these physical complaints.

Computer mouse | internet-lab.


Computer mouse – coordinate input device. Designed to control the cursor and issue several types of commands to the computer.

The classic computer mouse allows you to control the cursor by moving the mouse on a plane. Has three buttons: left, right and middle. The middle one is usually a wheel that allows, in addition to pressing, to transmit two more commands related to the rotation of the wheel in one direction and the other.

A bit of history

The first computer mouse with a wooden case was presented by American inventor Douglas Engelbart at the interactive display in California on December 9, 1968. In a 1970 patent, the product was named “XY Position Indicator for Display System”. The mouse had one button and two wheels that rotated when the mouse was moved horizontally and vertically.

In 1972, Bill English of Xerox replaced the two wheels with a ball (trackball), making the mouse easier to use.

Because of the ball in the USSR, the mouse was called “kolobok”, then the trackball was not yet covered with rubber.

Computer mouse precision

Accuracy is an important parameter of a modern computer mouse.

DPI (Dots Per Inch) – the number of dots per inch, means how many dots the mouse sensor can read from the surface.

Modern office and gaming mice have a base DPI value of 400 or 800. There are mice with a high DPI value, but the advantages of this begin to manifest themselves only on monitors with a very high screen resolution.

While DPI is not very important for ordinary “office” work, for professional eSports players it is one of the main characteristics of a mouse.

Wired and wireless mice

The classic way to connect a mouse to a computer is a wire connection. The wire is similar to the tail of a mouse, probably because of this analogy the mouse is called a mouse. The connection interface can be different: COM, PS / 2, USB and others. Modern wired mice are connected via USB.

The wire creates a number of inconveniences:

  • Limits the distance to the computer. If the computer is located far from the desktop, then the mouse may not reach it.
  • Inconvenience when driving. No matter how flexible the mouse wire is, it gets in the way, constantly gets confused and clings to everything.
  • Two dimensions. The wire limits mouse movement in two dimensions.
  • Extra wires.
  • Additional source of breakdown. Pinching or breaking the wire will cause the mouse to stop working properly.

There are also advantages:

  • Power is supplied by wire. No batteries or rechargeable batteries required.
  • Light weight. No batteries – the mouse is lighter.
  • Cheaper and more economical. We do not spend money on batteries.
  • Greener. We don’t throw away the batteries.

The first wireless mice appeared in the 1980s. There are several different wireless technologies for mice today.

Wireless computer mouse with dongle.
Infrared communication

The first wireless mice were connected to a computer via infrared communication. These mice needed a signal receiver connected to a computer.

Infrared communication had a significant drawback: any obstacle between the mouse and the receiver interfered with communication.

First generation radio communication

Radio communication allowed to get rid of the lack of infrared communication and supplanted it. To connect to a computer, a receiver was also required – a dongle.

The first generation of radio communications used the frequency bands intended for radio-controlled toys (27 MHz). The connection was unstable and two mice nearby could interfere with each other. To correct this shortcoming, they began to implement switches for several radio signal ranges on the mice.

Second generation radio communication

The second generation of radio mice used higher-speed radio channels and a free 2.45 GHz frequency band. This eliminated the problems of first-generation radio communications.

Another problem has appeared. The dongle receiver was unique for each mouse, if you lose it, then the mouse becomes useless.

Third generation radio communication

The third generation of radio mice already uses standard radio interfaces: Bluetooth, Wi-Fi and others. These mice do not require a dongle. There is also no need for special drivers.

Induction Coupling

Induction mice do not have batteries and are powered by special pads (mat) or a graphics tablet.The mat or tablet is connected to the computer with a cable.

Advantages of induction mice:

  • No wire.
  • No batteries, induction power from a graphics tablet, which means:
    • Light weight. No batteries – the mouse is lighter.
    • Greener. We don’t throw away the batteries.
  • There is no binding to positioning, it is not necessary to direct the mouse with the buttons straight up. You can turn the mouse as you like, even with the buttons towards you, while the cursor will still move relative to the position of the mouse on the graphics tablet. The hand can be positioned in the most comfortable way for you.

Disadvantages of induction mice:

  • Requires dedicated pad or graphics tablet, mice will not work on other surfaces.
  • More expensive with a graphics tablet.

Types of computer mice

There are several main types of computer mice that differ in coordinate sensor technology.

Mechanical Mouse

The mechanical mouse is practically not found anymore.Inside the mechanical mouse is a rubber-coated metal trackball, which makes the mouse rather heavy. When you move the mouse, the ball rotates and rotates the horizontal and vertical scroll sensors.

Due to constant contact with the surface, the ball had to be removed and cleaned periodically.

The ball slipped on some work surfaces, so a special mouse mat was required for the mechanical mouse. The mouse pad also got dirty over time.

The work of a mechanical mouse is associated with the force of gravity of the ball, therefore such a mouse does not work in space and is not used on space stations.

LED Optical Mouse

The principle of operation of an optical mouse is different from that of a mechanical ball mouse. An LED, lenses and a sensor are used to scan the surface. The diode emits invisible light, the lens focuses it to a point equal in thickness to a human hair, the beam is reflected from the surface, then the sensor catches this light.

The accuracy is very high, above 1000 DPI. No cleaning required. But on some surfaces (for example, glass or mirror) it may not work, in which case the mouse pad helps.

Practice has shown that in some areas of the surface the optical mouse could malfunction when the matrix processor could not determine the direction or magnitude of the displacement. In addition, dust on the lenses also led to malfunctions, the cursor began to shake or slide to the side. Over time, sensors have improved and the failure rate has decreased.Some models have been equipped with a second displacement sensor to eliminate the possibility of error.

The disadvantages include the fact that the LED glows in the dark, however, an infrared LED solves this problem.

Optical Laser Mouse

Very similar to an LED mouse, a more advanced semiconductor laser is used instead of an LED.

More accurate than an optical LED mouse.8000 DPI is not the limit. It consumes less power and can therefore last longer on battery power. Laser mice can work on glass.

Induction Mouse

See above for inductive coupling.

Gyro mouse

A mouse equipped with a gyroscope detects movement not only in the plane, but also in space, allowing you to determine the coordinates X, Y and Z. Moreover, using the gyroscope, you can track the rotation of the mouse around any axis.These mice are wireless, as the wire gets in the way when working in space.

For working in space, the classic shape of the mouse is no longer very convenient, so that gyroscopic mice can be quite unusual.

For gyroscopic mice, the material of the working surface is no longer important, even if the mouse is used only for working in a plane. This mouse does not have sensors that work with the table, so the gyroscopic mouse works great on a transparent glass table.

Touch Mouse

Touch mice do not have buttons and rollers, instead of them a touch surface that allows you to transfer much more information than just pressing buttons.The absence of buttons results in reduced operating noise. Down with clicks and claps!

The world’s first multi-touch mouse introduced in 2009 by Apple.

Other devices for similar purposes

Trackball, touchpad, trackpoint, joystick, graphic tablet, touch screen.


Trackball allows you to enter information about coordinates by rotating the ball fixed in the body by hand.A trackball is like a mouse. but it does not need to be moved around the table, instead it is suggested to twist the ball. Doesn’t require special drivers. For games, a trackball is less convenient than a mouse. When working with graphical applications, it performed better than a mouse.

When working with a trackball, the hand gets less tired, since only the hand is working, no movements of the shoulder and forearm are required. So if your hand gets tired while using the computer, try replacing the mouse with a trackball. Read about tunnel syndrome below.

Touchpad, touchpads and screens

In the touchpad and touch panels, control is carried out by touching the surface with one or more fingers of the hand. The touch screen can additionally display images of buttons and controls on the panel. Typically, the touchpad is built into a laptop, there are also separate devices.


A joystick, translated as “a stick of joy”, is a device for inputting information into a personal computer, which is a vertical handle swinging in two planes.Or a panel with several such knobs and buttons.

The joystick allows you to control an object in two or three-dimensional space, which immediately outperforms the classic mouse.

Used in games, mobile phones. And also in military devices and devices of increased reliability.


Trackpoint, or miniature strain gauge joystick, is used in laptops to control the mouse cursor with a finger. Sometimes it can be built into the keyboard.Usually the joystick has a rough rubber tip for better grip.

The device is especially liked by adherents of the blind typing method and professionals, because it is the only pointing device that does not require the user to remove their fingers from the start position on the keyboard.

Graphic tablet

A graphics tablet is a handwritten input device. Consists of a pen (stylus) and a flat tablet that is sensitive to the pressure or proximity of the pen.A dedicated induction mouse can also be included. The stylus can also act as a mouse. Some tablets may respond to your finger.

An indispensable device for professional work with graphic programs for creating images on a computer in a way that is as close to manual as possible. A graphic tablet with an interactive display turns into a full-fledged album sheet.

The wrist is less stressful when using the pen than when using the mouse.

Additional mouse options

Additional buttons and controls

The mouse can be equipped with additional buttons, switches, levers, wheels and potentiometers.The wheel can be pressed not only down, but also to the sides. Usually, additional options are used for games or complex programs.

Sensors and Sensors

Various sensors and sensors can be installed in the mouse or joystick, for example, a fingerprint sensor or a feedback device such as a vibrator.

Hybrid mice

Hybrid mice can combine several devices, for example:

  • Mouse and Touchpad
  • Mouse & Trackball
  • mouse and phone
  • Mouse and Joystick
  • mouse and trackpoint
  • heated mouse
  • mouse, and inside another smaller mouse
  • foldable mouse for easy transport

Unusual devices

Examples of some unusual mice.

Vertical mouse.

Mouse with a changeable set of buttons.

Mouse with a calculator.

Health and traits

Mouse for left-handers

Some mice can be used with either right or left hand. In the operating system, you can even swap the right and left mouse buttons.

Tunnel Syndrome

Here is a clipping from Wikipedia.

Carpal tunnel syndrome – or carpal tunnel syndrome. A neurological disorder manifested by prolonged pain and numbness in the fingers of the hand.Refers to tunnel neuropathy. The cause of the disease is compression of the median nerve between the bones, the transverse carpal ligament and the tendons of the muscles of the wrist.

Symptoms of the syndrome occur in computer users, for example, computer game players (active and long-term use of the keyboard and mouse in the wrong posture). It is widely believed that prolonged daily computer use, which requires constant keyboard use, is a risk factor for developing carpal tunnel syndrome, but research results in this regard are inconsistent.There is a study in which carpal tunnel syndrome was detected in every sixth surveyed working on a computer. According to him, those users who, when working with the keyboard, have their wrist extended by 20 ° or more in relation to the forearm, are at greater risk. At the same time, other scientific studies indicate that there is no significant difference in the incidence of this syndrome in the group of constantly using the keyboard when compared with the general population.

There are hints that prolonged mouse use may affect wrist health.If you suspect that your hand is hurting from the mouse, then you should think about changing the mouse to a trackball or light pen.

Advantages and disadvantages of computer mice


  • Suspected tunnel syndrome hazard.
  • Requires a flat surface (gyroscope mice solve this problem).
  • Vibration sensitivity (the most reliable in this regard are trackball and joystick).

It is precisely because of the sensitivity to vibration that ordinary mice are not used in military equipment.


  • High precision.
  • Low price.
  • Can perform a wide variety of functions.
  • You can work for a long time.
  • Wide variety of models.

Learning to work with a computer mouse. 5 basic operations

By admin To read 4 min. Views 7.2k. Published by

Mouse Basics

A mouse pointer is a graphic object that moves around the screen when you move the mouse across the table. Note that the pointer changes its appearance depending on where it is and what action is being performed at the moment.

Here are some of the most common mouse pointers:

Cursor – blinking character “|” on the display screen, indicating the position at which the keyboard input character will be displayed.

Mouse movements are transformed into movements of the mouse pointer across the display screen. In text boxes and editors, a mouse click moves the cursor to the position where the mouse pointer was when clicked.

The main mouse button is usually called the left mouse button, the secondary is the rightmost one. If you are left-handed, you can configure the mouse for left-handed use (in this case, the primary button will be the right, and the secondary – the left).

The primary (usually the left) mouse button performs three operations:

  1. Click .To “click” on an object means to place the mouse pointer on the object, and then press and release the left mouse button. Clicking is used to select (highlight) an object, for example, to highlight icons on the desktop, or to select commands from a menu. All work in Windows and applications is based on command execution. Clicking allows you to select the object to which subsequent commands will be addressed. Select an object and then manipulate it (change size, color, position, etc.) – this is the main ideology of working in Windows.
  2. Dragging the object (drag and drop) with the left button. To drag an object, place the mouse pointer on it, press the left button and, without releasing it, move the mouse. When the object is where you want to move it, release the left mouse button. Typically, the object will move to a new location. In addition to moving, the drag-and-drop operation can perform other actions, for example, copying. To control the dragging process, you can press and hold the Ctrl key (provides copying) or the Shift key (provides movement of objects in the Explorer window ), or the combination Ctrl + Shift (creates shortcuts in the folder window and Explorer ).
  3. Double click . Double-click is a quick, consecutive double-click on the left mouse button. Double-clicking on an object is used to perform the action that is assigned to the object as the default action. As a rule, the most frequently used operation is assigned as the default action. For example, for many icons on Desktop , double-clicking the command Open , that is, it gives the user the opportunity to launch (open) the application that corresponds to the icon on Desktop .Typically, double-clicking on the selected object can be replaced by pressing the Enter key on your keyboard.

The secondary (usually right) mouse button performs two operations:

  1. Click . Place the mouse pointer over the object, then press and release the right mouse button. A context menu appears, or a menu containing a set of the most frequently used commands and object properties. Commands in the context menu are selected with the left mouse button. One of the context menu commands is highlighted in bold.As a rule, this is the command that is assigned to the object by the default command, or the action performed when you double-click the left mouse button on the object. You can leave the menu without selecting any item by left-clicking anywhere outside the context menu.
  2. Dragging object (drag and drop) with the right button. Place the mouse pointer over the object, press the right mouse button and, without releasing it, move the mouse. When the object is where you want to copy or move it, release the right mouse button and left-click one of the commands in the context menu that appears: Copy, Create shortcuts, Undo .Thus, the left mouse button always performs a specific action. The right mouse button never performs, but only prompts the user to select any of the most frequently used actions for this object in the context menu. The right mouse button will help users working in an unfamiliar application to access the typical (most frequently used) commands for that application. We can say that the left mouse button is a “worker” who executes commands, the right one is an “advisor” who offers a set of commands for execution, advises.

How to control the mouse pointer with the keyboard

When you enable the mouse pointer control with the keyboard, you can move the mouse pointer using the numeric keypad.

How to enable pointer control from the keyboard

  1. Open the Ease Center. To do this, click the “Start” button on the control panel, select “Ease of Access” and “Center .

  2. Select item Mouse Ease .

  3. Under Control the mouse with keyboard , select the Enable pointer control with keyboard check box.

Pointer control from keyboard

With keyboard pointer enabled, you can move the mouse pointer using the numeric keypad.

To move the mouse pointer


Up and left




Up and right






Down and left




Down and Right


Select a mouse button

Before selecting items on the screen using the keyboard, you must select the active mouse button: left, right, or both.



Select the left mouse button

Slash (/)

Select both buttons

Asterisk (✲)

Select the right mouse button

Minus (-)

Note: The selected mouse button will remain active until you select another button.

Selecting items using the keyboard

Once you have selected a button, you can select items on the screen.



Click item

With the left mouse button selected as the active one, move the pointer over the element and press the key with the number 5

Right-click an item

With the right mouse button selected as the active one, move the pointer over the element and press the key with the number 5

Double click item

With the left mouse button selected as the active one, move the pointer over the element and press the plus sign (+)

Dragging items using the keyboard

You can use the numeric keypad to press, hold, and release the active mouse button. This is useful if you need to drag an item.



Drag element

Move the pointer over an item and press the number key 0

Release element

Move the pointer over the location where you want to move the item and press the decimal point (.)


  • You can use the numeric keypad to press, hold, and release the active mouse button. This is useful if you need to drag an item.

  • To change options such as the pointer speed and the keyboard-enabled pointer sound, in Ease of Access Center, under Mouse with Keyboard , select Customize Pointer Control .

90,000 Chapter 4 Computer mouse. A computer for those who are over …

Chapter 4

Computer mouse

A computer mouse is an input and output device. Working on a computer without a mouse is possible, but it is the mouse that greatly simplifies our communication with the computer, makes it more convenient. Unlike the keyboard, the mouse doesn’t have many buttons, so it’s very easy to master.

How to hold the mouse correctly?

Place your hand on the mouse and grab both sides of the mouse.The index and middle fingers should be on the left and right buttons, respectively. You need to move the mouse with a brush.

Computer mouse has two buttons and a scroller ring (not all mice). In fact, the buttons are the main mouse controls, pressing them allows us to perform certain manipulations, and the wheel is needed to scroll or change some settings (sound volume, etc.). With just two buttons (right and left) and the scroll wheel, you can perform many operations:

• scrolling;

• left click;

• right-click;

• displacement;

• drag and drop;

• special drag and drop;

• double click.Let’s consider all of them in more detail.


There are several ways to scroll the text with the mouse. First, you can put the mouse pointer on the “down arrow” or “up arrow” and click on the left mouse button. The text will rise or fall smoothly.

Releasing the button stops scrolling. You can also put the pointer on the arrow at the bottom or at the top of the page and press the left button and, without releasing the button, the text will start moving.You can also scroll the scroll wheel one way or the other.

Also, the scroller allows you to change the image scale – it is done by scrolling the wheel while holding down the Ctrl key.

Move the mouse.

As you move the mouse across the table, a small white arrow simultaneously moves on the monitor screen. This is the mouse pointer. To select an object to click, you need to align this pointer with it. At the moment of pressing the button, the mouse must be held firmly in one place.

The following situation often arises for novice users. Let’s say you need to move the mouse pointer to some place on the monitor screen, which is somewhere right at the edge of the monitor. Move the physical mouse on the rug or table, and the mouse pointer on the monitor screen “slowly” moves to the place we need. And here, out of the blue, a problem arises – the table has already ended, and the mouse pointer on the monitor screen has not yet “crawled” to the place we need.The way out of this situation is very simple! It is necessary to raise the mouse above the table or rug. Move it in the opposite direction to where we need to continue moving the mouse pointer. Put it back on the rug or table. Continue moving the mouse in the direction we need. When we raise the physical mouse above the surface of the table or rug, the laser beam (if it is an optical mouse) in this case is not reflected from the surface and is not received by the receiving device of the mouse. In this case, the computer assumes that the mouse is stationary.

Left click. Used for links to web pages, for selecting an object, dragging files and folders, for resizing folders and windows, for selecting tabs and menu items, for opening and closing windows.

Double-click – used to open folders, documents, pictures, hard disk partitions, launch programs, etc. This click is not just two successive presses, it is performed in a short period of time without lifting your finger over the button.

Right click on the mouse. It is used when you need to customize something. Creates a shortcut menu at the location of the pointer on the screen with a single click. It’s called the context menu. It is important for customizing the desktop (we’ll talk about this later).

Left-clicking on a blank area on the desktop will close this menu.

Drag and drop. If you set the mouse pointer on any icon on the screen, and then press the left mouse button and, without releasing it, pull to the side, then it will move as if glued behind the pointer.This movement moves desktop icons or documents into folders.

The appearance of the mouse can be changed and customized “for yourself”. For example, you can change the button assignment on a computer mouse (use the right mouse button as the primary mouse button) or double-click speed. You can change the appearance of the mouse pointer, increase visibility, or turn on hide mode when typing.

How to do it?

To get started – right-click anywhere on the desktop.In the window that appears, select the “Personalization” menu.

The settings window opens.

In it, select the item “Change mouse pointers”.

Here you can set the speed of movement, as well as the display of the trail if the pointer is difficult to see on the screen. To show the pointer loop on the screen (if you have poor eyesight), you can enable the “Show mouse pointer trace” item. Also in this tab you can adjust the amount of scrolling of the text when you turn the wheel by one click and set the ratio of the rotation of the mouse wheel and the number of lines on the document sheet.

In the subsection “Mouse buttons” you can reassign the buttons. Transfer functions to the right button to the left, and to the left button to transfer functions to the right. You can optionally (if you are left-handed) configure the mouse for left-handed operation to make it the primary right button. To do this, enable the “Exchange button assignments” item.

Depending on the operation performed by the computer, the pointer changes the picture of an arrow to an hourglass, hand, etc. This standard form of pointers can be replaced with any other by selecting it in the drop-down list of the section.

It is also worth adding that if the mouse is damaged, you can control the cursor on the screen using the keyboard.

This text is an introductory fragment.

Continuation for liters

Computer lessons from Evgeny Serov “Computer mouse.Mouse operation

A computer mouse is designed to interact with objects on the monitor screen, and with its help we can move objects from one place to another, in much the same way as we do in the ordinary world. You can click and move your mouse to open, modify, and move objects in your computing environment.

Basic parameters

A standard mouse has two buttons: the primary button (left) and the secondary button (right). Most often, when working at a computer, the main button (left) is used.Most mice have a scroll wheel located between the buttons. The scroll wheel makes it easier to view “long” documents and web pages, allowing you to scroll the page, both vertically and horizontally.

Mouse parts

On some mice, the scroll wheel can be pressed and used as a third button. Many modern mice, especially gaming mice, may have additional programmable buttons to perform specific tasks.

Mouse operation

If this is the first time you take a mouse in your hand, then at first your hand will make intermittent movements, from which the pointer on the screen will move unpredictably.This is a normal phenomenon at the initial stage of learning to work with a mouse and everyone who has studied on an ordinary stationary computer has encountered this.

In order to quickly learn how to work with a mouse, you need to place the mouse near the keyboard on a clean, flat surface and gently take it in your hand so that your index finger rests on the main button (left), your middle finger rests on the auxiliary (right) button, and your thumb the finger was on the side of the mouse.

To move the mouse – slowly move your hand in any direction, trying to keep the nose pointing away from you.Movements should be done with your hand, not with your hand. As you move your hand, the pointer moves in the same direction on the screen. If there is not enough room to move, lift the mouse and move it in the opposite direction.

When moving, try to keep your hand relaxed without bending your wrist, this can save you from premature hand fatigue and pain in the wrist.

Hand placement


When working with the mouse, you move its pointer by hovering over different objects.In the system, the primary mouse pointer has the shape of an arrow. When working with the mouse in other programs, the mouse pointer can take on a different form. When working with a text editor, the pointer changes to an English capital letter I, and when working with web pages, when you hover the pointer over a hyperlink, it changes to a palm with an extended index finger.

Pointing, clicking and moving

There are only three main actions with the mouse: point, click and move.

To point to an object on the screen means to move the mouse so that the pointer seems to be touching the object.When the mouse points to an object, a frame and a small tooltip often appear describing that object.

Object reference

Most mouse actions involve specifying an object by pressing one of the buttons. There are only four main ways to use the mouse buttons:

  1. Click or single click;
  2. Double click;
  3. Right click;
  4. Drag and drop.

Let’s consider each of them in more detail.

Click (single click)

As a rule, clicking is used to select an item (press the main button) or open a menu (press the auxiliary button).

In order to click on an element, move the mouse cursor over it, thereby you will make an indication of the object, then press and release the main button (left).

Double click

Typically, double-clicking is used to open items on the desktop or launch programs.For example, to open a folder or document, you need to double-click on the folder or document icon.

To double-click an item, point to it on the screen by hovering over it, then quickly, try without delay, double-click it. Clicking should be done with a minimum delay when clicking. If you are unable to click quickly, then it is advisable to practice, otherwise the system will recognize them as two single clicks, and this is a completely different command.

Helpful advice!

If you can’t double-click quickly, try changing the speed.This can be done by running the following:

1. Click the Start button and select Control Panel, Hardware and Sound. In the dialog box that appears, click the Mouse tab.

2. Next, select the Mouse Buttons tab, and in the Double-Click Speed ​​area, use the slider to increase or decrease the speed of the double-click.


Right-clicking on an object will usually display a list of available actions for that object.For example, hovering over and right-clicking “Computer” on the desktop displays a menu that allows you to perform various actions on that item.

If you want to perform any action on an element, then feel free to right-click and select the required command in the context menu.

To right-click an item, move the pointer over it to point to it, then press and release the secondary button (right).

Mouse right click


Drag and drop is used to move items from one place to another with the mouse.Drag and drop is most commonly used to move folders and files, as well as windows and icons on the screen.

To drag an object, you must point it (move the mouse pointer over it), then press and hold the main button (left) and hold down the button to smoothly move the object to the desired location and release the main button.

Using the scroll wheel

The scroll wheel is intended for fast scrolling of documents, web pages. If you need to scroll down the document, turn the wheel towards you, if up, then away from you.If the wheel allows horizontal scrolling (some mice are equipped with such a scroll wheel), then the document can be viewed left and right.

Mouse setup

You need to know that the mouse, like any object in the system, has its own property parameters. This means that you can change the parameters of the mouse and thus adjust it for yourself. For example, you can reassign the primary mouse button and make it secondary (this is very suitable for left-handers) or change the double-click speed, etc.p.

To call up the mouse parameters, do the following:

Click the Start button and select Control Panel, Hardware and Sound. In the dialog box that appears, click the Mouse tab.

Mouse property

Tips for Using Your Mouse Safely

The correct position of the mouse in the hand helps to avoid pain and damage to the wrist, arms and hands during prolonged use of the computer. Here are some tips on how to avoid this:

1.Place the mouse at elbow level. Keep your shoulders relaxed.

2. Do not squeeze or squeeze the mouse, hold it loosely.

3. Move the mouse by moving your hand away from the elbow. Try not to bend your wrists from top to bottom and from side to side.

4. To perform the click, lightly press the button, do it without force.

5. Try to keep your fingers relaxed by placing them on the mouse buttons. Keep your fingers off the ground.

6.If you don’t need a mouse to work, release it.

7. Do not forget to take short breaks at the computer, preferably every 15-20 minutes.

How to set up a left-handed mouse in Windows 10

If you prefer to use your computer mouse with your left hand, then this manual will help you correctly configure the main button of the hardware pointing device in the Windows 10 operating system.



The developers of the operating system “Windows 10” try to accommodate the various requirements of users, arising from personal characteristics or preferences, and to adapt the system as much as possible for the daily use of end users.One of the ways to increase the attractiveness of the system is the ability to reconfigure a computer mouse for convenient use by people, all the basic actions that are performed with the left hand.

In “Windows 10” , when connecting a mouse to a computer, the operating system usually sets the left button as the primary key, since this is the default setting and is suitable for the vast majority of users.

However, if the user is left-handed or wants to change hands after a long period of work at the computer, you can quickly change the mouse settings.To do this, you need to use the capabilities of applications Settings or Control Panel , which will allow you to perform all basic operations with your left hand.

In this guide to changing settings in operating system “Windows 10” , we’ll walk you through simple steps to change basic and advanced mouse button actions.

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How to change the primary mouse button using the application


To switch primary and secondary mouse buttons in “Windows 10” , use the system application “Settings” , which includes all the main settings of the main applications and services of the operating system.The application can be accessed in a variety of ways. We will focus on some of them, and users will be able to use any method that is most convenient for them.

Method 1. Click on “Taskbar” in the lower right corner of the desktop call button “Windows Action Center” . In the pop-up sidebar at the bottom of the sidebar, select the One Touch Button All Options and the application will open.

Method 2. Click on the Start button located in the lower left corner of the desktop at Taskbar and open the main user menu Windows . In the left side control panel, click on the button “Settings” with the gear depicted on it, or in the main list of available applications, find and select the appropriate section for instant access to the application you are looking for.

Method 3. Right-click on the Start button or press the key combination Windows + X , and in the pop-up menu that opens, select section Options from the options presented.

Method 4. The fastest and simplest method, the main action of which is concentrated in the joint pressing of the key combination “Windows + I” for direct direct access to the application “Settings” .

Now on the main page of the application, select the tab Devices . On the new page, in the left sidebar, select section Mouse from the options available. The right pane will display the properties of the computer manipulator, which can be controlled from this section.Use the drop-down menu Primary Button Selection and set the Primary Key Priority Right if you prefer left-handed mouse actions (left-handed user), or Left if you want to set default settings (right-handed user).

The system will immediately apply the installed changes to the manipulator settings, without requiring an additional restart of the computer, and the user will immediately be able to control the mouse with the hand installed of his choice.

How to change the primary mouse button using the application

Control Panel

To change the primary mouse button from left to right using the application “Control Panel” , follow the sequence of simple steps presented below. In the latest version of the operating system “Windows 10” , developers are trying to translate the settings of the main services into the application “Settings” , and, in the future, completely abandon the standard “Control Panel” present in the system from the earliest versions.And there are fewer ways to directly open the application you are looking for. For example, users can take advantage of the following options.

Method 1. Click on “Taskbar” in the lower left corner of the button “Start” , then in the opened main user menu “Windows” , using the scroll bar slider, find and click the section “Standard-Windows” , in which from the nested list of additional sections select option “Control Panel” .

Method 2. Click in the lower left corner of the desktop, next to the Start button , the Search button , represented in the form of a magnifying glass. Then in the panel that opens, in the search term, enter the phrase “Control Panel” . Line “Best match” will show the match you are looking for. Click it with the left mouse button or in the additional sidebar click on the button “Open” , and the application will be launched instantly.

Now in the window “All elements of the control panel” , which is responsible for configuring the computer settings, find and click on the section “Mouse” , which controls various characteristics of the manipulator, including the purpose of the buttons.

Pop-up window “Properties: Mouse” will present a list of settings, structured by different tabs. Select tab Mouse Buttons , and in section Button Configuration , place the selection indicator ( Checkmark ) next to cell Swap Button Assignments .A blue color mark will schematically color the corresponding mouse button in the figure of the indicated section to confirm the specified settings. Changing the primary buttons will take effect immediately. And the user will only have to press the buttons “Apply” and “OK” to save the specified manipulator settings.

Now, upon completion of the described actions, the primary and secondary buttons of the computer mouse will be swapped depending on your choice.


Operating system “Windows” , as a universal tool for managing stationary personal computers and laptops, has a friendly user interface and enjoys deserved popularity, largely due to the huge number of individual system settings and connected hardware devices that users can use in case of need …

Initially, in the system “Windows” standard settings are specified, fully taking into account the basic requirements of the majority of possible users.However, if desired, users can change the predefined control criteria according to their own preferences. For example, following this guide, users can set the position of the primary and secondary buttons on a computer mouse to suit their left-handed use. And then change the button assignment back, if the need for such a change has disappeared, in a simple and convenient way, in one of two ways.

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Computer mouse repair.

Restoring the work of a computer mouse

And although computer mice have evolved significantly since the first appearance of this wonderful device, they still break. Let’s talk today about computer mice, or rather about repairing a wireless computer mouse.

For the first computer mice, the main scourge was contamination of the very ball that transmits mechanical movement to electronic sensors. Those who remember those times know that cleaning this very ball from dirt was a dubious pleasure.In addition, such a mouse required a rug, otherwise the rubberized ball did not travel well on the table.

The time has come and this rudiment got rid of. Optical computer mice appeared. Everything would be fine, but the wire with which such an optical mouse was connected to the computer system unit eventually became unusable, and it ceased to obey its owner. The consequences of this could be dire, up to the complete destruction of the computer mouse against the merciless brick wall.

But even here our botanical friends figured out how to save us from this misfortune – the connecting wire.They began to transmit data from the mouse to the computer via radio waves. Everything would be fine, but the user of such a wireless mouse has to regularly replace dead batteries.

And now, it would seem, all the most malicious attributes have sunk into oblivion: a ball, wires. What’s left? Buttons! Yes, yes, it was they who began to break down most often making our beloved computer mouse completely unavailable. As practice shows, problems with buttons are found not only in cheap models of computer mice, but also in fairly branded ones like VAIO.

But, for an avid electronics enthusiast, such a malfunction is not only a challenge to his experience, but also a real opportunity to dig deeper into the insides of this amusing device. Moreover, if this is not a simple wired mouse, but a wireless one.

So let’s get started.

Despite the fact that the development of modern means of information input leads to getting rid of various mechanical devices, computer mice still have buttons in their composition.

SONY VAIO wireless computer mouse model VGP-WMS4 is on the repair table.Diagnosis – incorrect operation of the left mouse button (LMB). Everything else works fine. The reason is also clear. When working with a computer, we tend to use the left button rather than the right or center button (the one under the wheel).

To open the case we need scalpel screwdriver. The screws that hold the body together are located under the plastic tabs to reduce friction. They must be carefully peeled off from the case and put in a clean place. After the repair, we will glue them to the body again.To unscrew the screws, I had to look for a hexagonal nozzle – the screws have a figured groove.

After opening, the electronic filling appears in front of us. It was done with dignity. The left and right buttons are three-pin, momentary buttons.

If we carefully remove the scroll wheel, we will find a micro button under it. It is it that we press when we press the wheel – this is the third, central input button.

Let’s digress from the repair and at the same time study the device of a wireless computer mouse.As you can see in the photo, several microcircuits are installed on the main board. The one in the square case is rather responsible for wireless data transmission. An antenna is clearly visible on the printed circuit board, which is made in the form of copper tracks directly on the printed circuit board.

An open optocoupler acts as a sensor for rotation of the central wheel. The optocoupler consists of an infrared LED – the one in a transparent case and with two leads, as well as a phototransistor. It has a dark body and three pins.

There are through grooves in the wheel.

When the wheel moves, the through grooves are replaced by partitions. As a result, infrared radiation passes and does not pass through the base of the wheel. The received signals from the phototransistor go to the microcontroller, which processes the received data.

An optical system can also be found in the housing. It consists of a bright LED, a lens system and a photo sensor.

All computer mouse electronics are powered by two AA alkaline batteries (1.5V).Moreover, for the operation of the mouse, both the voltage of 1.5V and 3V are removed. A connecting wire comes off the middle contact in the battery compartment. Most likely, the voltage of 1.5V from one battery is used to power the controllers, and 3V is used to power other parts of the circuit, for example, the bright red LED, which is part of the optical system of the reader.

Let’s go back to repairing our computer mouse. Finding the right replacement button can be difficult at times. But it doesn’t matter. You can use another computer mouse as a “donor”.As a rule, the button of the right key of many of them is working, and it can be used for replacement. An optical wired mouse was used as a donor mouse. At one time, she also died a heroic death after numerous attempts to restore the connecting wire. After a short “tail” remained from the wire, she flew off to the storeroom.

Let’s take a look at its device. As we can see on the printed circuit board we already know the buttons, the scroll wheel, the photosensor (the microcircuit in the middle of the board), the LED and the controller microcircuit.It is worth noting that this computer mouse uses not an optocoupler, but a multi-turn encoder as a scroll wheel sensor.

This is not a buzz, since the encoder is an electromechanical part. And, as you know, everything mechanical is subject to wear and tear. The optocoupler will work more reliably in the VAIO mouse – there are no mechanical contact parts in the optocoupler.

As already mentioned, it is better to use the right button as a replacement button.

This is the result of replacing a faulty button.

It is also worth recalling that when restoring the operation of the mouse, it is worth cleaning the scroll wheel, optical system and the case itself from dust. Since the computer mouse contains optical sensors, such prevention will have a positive effect on its work.

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