It appears that there may be a compatibility issue between some iterations of Apple mice and certain portable models. MacFixIt reader J. Strauss writes "I have an iBook 12" dual USB, and a Titanium ...

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 ...

Trying to fix this system for a friend. The problem specs: occasional loss of the mouse (most likely a bad USB connection which seems to be isolated to port 1 of 4), and occasional system freeze ups.

Last November, I wrote about how my Magic Mouse would repeatedly lose its connection to my Mac Pro. After some effort, I gave up trying to resolve it—and went back to using my reliable Bluetooth ...