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

When it comes to PC gaming, having your mouse DPI dialed in is essential. Here's what it means and how to adjust it for the game you are playing.

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.