HP D3K72UT D3K72UT#ABA manual Solving Keyboard and Mouse Problems

Table D-10Solving Mouse Problems (continued)

Mouse does not respond to movement or is too slow.

Cause	Solution
Mouse may need cleaning.	Remove the roller ball cover on the mouse and clean the
	internal components.
Mouse may need repair.	See the Worldwide Limited Warranty for terms and
	conditions.
Computer is in standby mode.	Press the power button to resume from standby mode.
	CAUTION: When attempting to resume from standby
	mode, do not hold down the power button for more than four
	seconds. Otherwise, the computer will shut down and you
	will lose any unsaved data.
Mouse will only move vertically, horizontally, or movement is jerky.
Cause	Solution

Mouse roller ball or the rotating encoder shafts that make contact with the ball are dirty.

Remove roller ball cover from the bottom of the mouse and clean the internal components with a mouse cleaning kit available from most computer stores.

Solving Keyboard and Mouse Problems 163