Lagging Mouse

Posted on 2003-03-10
Medium Priority
Last Modified: 2013-11-17
My friend has an old IMac and is having problems with the mouse speed lagging. Sometimes it just stops and then suddenly jumps from a complete standstill to the other end of the screen. I've seen this happen in the past, but I don't remember ever trying to fix it. It's an Apple Pro Mouse, and I know that they seem to need replacing from time to time, so I'm having her try one that's definitely ok just to rule out a broken mouse. If the problem persists, should I recommend trashing the finder, system, and mouse prefs? Zapping the PRAM?
Question by:elvicious
LVL 30

Accepted Solution

weed earned 200 total points
ID: 8104985
A jumpy mouse can be due to dust on the lens. Clean it with alcohol. Probably wouldnt hurt to run some basic disk utilities either. Norton Disk Doctor or Drive 10. Sometimes a machine runs slower when its got wacky stuff going on internally. That can leady to strange mouse behavior.

Expert Comment

ID: 8164206
The optical Apple Pro Mice are very susceptible to such problems when being used on a surface with any reflectivity.  Try using it on a mouse pad... or a book as a test.

Also, you can adjust the sensitivity of the mouse by moving the rotating wheel on the bottom.

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