Mouse test

Test your mouse buttons and scroll wheel

Click every button and scroll both ways inside the box. Each part turns blue when it works, and the test spots a single click that registers as two.

Runs in your browser. Nothing is stored or sent anywhere.

Click, scroll and move here
Try every button, scroll up and down, then move the mouse quickly in circles.

  • Left button
  • Right button
  • Middle click (press the wheel)
  • Scroll up
  • Scroll down
  • Forward side button
  • Back side button
0Clicks
0Double registrations
0Scroll steps
–Polling rate (estimate)

Click each button and scroll the wheel inside the box. Each part turns blue when it works.

Mouse playing up? Try these first

  • Plug the mouse, or its wireless receiver, straight into a different USB port rather than a hub or the keyboard.
  • Charge it or change the battery. A low battery causes missed clicks and jumpy movement.
  • Clean the sensor on the underside and try a plain mouse mat. Glass and shiny desks confuse many sensors.
  • Side buttons often need the maker's software, such as Logitech G Hub or Razer Synapse, before they work.
  • Try it on another computer. If the same fault appears there, the mouse is the problem.

Shopping for a new mouse?

Working fine

Looks faulty?

Our sister site Sudo Picks compares mice on sensor, weight, battery and price.

If you're upgrading anyway, our sister site Sudo Picks compares mice on sensor, weight, battery and price.

A worn switch rarely fixes itself. Our sister site Sudo Picks compares mice on sensor, weight, battery and price.

See the best mice

How to use the mouse test

Move the pointer into the box, then press each button once: left, right, the scroll wheel itself, and the two side buttons if your mouse has them. Scroll up and down a few notches. Each part on the diagram turns blue once your computer has received it.

If your mouse has no side buttons, tick My mouse has no side buttons so the test doesn't wait for them.

Double clicks from one press

The most common mouse fault is a worn switch that sends two clicks when you press once. It closes folders you meant to select and makes dragging unreliable. The test flags a button when two presses arrive within 30 milliseconds, which is faster than anyone can click on purpose.

Polling rate

The polling rate is how many times a second the mouse reports its position. Office mice usually report 125 times a second, and gaming mice 1,000 times or more. Move the mouse quickly in circles inside the box to get a reading. Treat it as an estimate: some browsers limit how often they report movement, so a fast mouse can read lower than it really is.

Common questions

Why don't my side buttons do anything?

Some mice only send side button presses once the maker's software is installed, and some programmable mice have them mapped to keyboard shortcuts instead. If they light up here, they're working, and any problem is with how an app uses them.

Can a mouse that double clicks be fixed?

Sometimes, for a while. Cleaning the switch with compressed air can help, and people with soldering skills replace the switch. For most mice, especially inexpensive ones, a replacement is the practical fix. Check whether yours is still under the maker's warranty first.

Why does my scroll wheel jump the wrong way?

A wheel that occasionally scrolls backwards usually has dust in its encoder. Blow compressed air around the wheel while turning it. If scroll steps here show the wrong direction often, the encoder is wearing out.

Does this test work with a trackpad?

Yes for clicks and scrolling. A trackpad's right click is usually a two-finger click, and the polling rate reading is meant for mice, so it isn't meaningful for a trackpad.