Whether it's opening apps, scrolling through a web page, playing our favorite video games, or selecting a bunch of items on the screen, a perfectly functional mouse does it all — unless it stops ...

Whenever I load up Half-Life, I experience very bad lag in the movement of my character. This is in both single player and multiplayer modes. Whenever I move the mouse, it takes the game a good 2-3 ...

Just picked up Blue Shift an hour ago, but i've got a serious problem. My mouse movement and keyboard movement are messed up. The mouse moves are clunky, it tends to move in blocks across the screen.