DPI stands for "Dots Per Inch," and it determines how quickly your mouse cursor moves across the screen when you move your mouse.

Use Dual Monitor Tools to keep your mouse on one monitor Reviewed by Ryan Perian This article explains how to use Dual Monitor Tools to lock the mouse cursor to a single screen on a multi-monitor ...

You know it: your gaming mouse is what makes… or breaks your performance. That split-second delay, the cursor skipping across the screen during a flick shot, or buttons that don’t register fast enough ...

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.