CPSCheckMouse Checker
Diagnose your mouse buttons with this simple mouse checker — perform a complete mouse check online to verify left, right, middle clicks, wheel scrolling, and double clicks.
How to Check Your Mouse Online
- 1
Test Each Button
Click the left, right, and middle buttons inside the mouse checker area.
- 2
Scroll and Double Click
Scroll up and down, then perform a quick double click to verify all functions.
- 3
Review Checklist
Check that all 6 tests show "Working ✓" on this mouse check online tool.
Mouse Diagnostic Checklist
| Diagnostic Test | Trigger Action | Standard Function |
|---|---|---|
| Left Button | Single press with left mouse button. | Primary selection and cursor click actions. |
| Right Button | Single press with right mouse button. | Secondary context menu and targeting actions. |
| Middle Button | Press directly down on the scroll wheel. | Autoscroll toggle or opening links in new tabs. |
| Scroll Up | Roll the scroll wheel upward. | Page upward scrolling and weapon switching. |
| Scroll Down | Roll the scroll wheel downward. | Page downward scrolling and zoom out adjustments. |
| Double Click | Two quick left clicks within 450ms. | Opening desktop files and executing quick-selects. |
Frequently Asked Questions
How does the mouse checker work?
The mouse checker listens for individual button, wheel, and double-click events inside the diagnostic box. As each action is detected, the status changes from Not tested to Working.
What does the mouse checker test?
It tests your left button, right button, middle wheel click, scroll up, scroll down, and double-click registration.
My middle button shows Not tested — what should I do?
Press directly downward on your scroll wheel inside the box. If it does not register, check if your mouse software has assigned a non-standard shortcut to the wheel click.
Is the mouse checker free?
Yes, this diagnostic tool is completely free with no software downloads or account setups needed.