This button is used to control the DPI of your mouse, if you click on that button, your pointer became more or less sensitive as it switches to a different DPI profile. There is a small button on your mouse between the left and right clicks. By changing the DPI, you can instantly adjust pointer speed for precision tasks, such as in-game targeting or photo editing. Click on the DPI button on your MouseĭPI is the standard used to measure the mouse sensitivity, expressed as the number of DPIs (dots per linear inch) that a device can detect. Run Hardware and Device Troubleshooterįix: Mouse sensitivity keeps changing in Windows 11/10 Option 1. Fix: Mouse sensitivity keeps changing in Windows 11/10.