You can change your mouse's DPI in the Settings menu on your computer, or if you have the right kind of mouse, by pressing the DPI button on it.

Press the DPI switch button once and move the mouse. If the cursor speed changes, you’ve found the cause. Cycle through the ...

The function of the middle-click button can vary depending on the app or program you're using. For instance, in AutoCAD, you can use the middle click to pan and rotate a 3D model. In games that ...