HP 4000 Maintenance & Service Guide HP Compaq 4000 Pro Small Form Factor B - Page 149
Mouse does not respond to movement or is too slow., Cause, Solution, standby - roller
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Mouse does not respond to movement or is too slow. Cause Program in use has stopped responding to commands. Mouse may need cleaning. Mouse may need repair. Computer is in standby mode. Solution Shut down the computer using the keyboard then restart the computer. Remove the roller ball cover on the mouse and clean the internal components. See the Worldwide Limited Warranty for terms and conditions. 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 139
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