HP D8C84UT#ABA User Manual download pdf (Page 128)

Table C-9 Solving Mouse Problems (continued)

Mouse does not respond to movement or is too slow.

Cause Solution

Program in use has stopped responding to commands. Shut down the computer using the keyboard then restart the

computer.

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.

120 Appendix C Troubleshooting Without Diagnostics

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HP D8C84UT#ABA User Manual Page 128