Gateway 310 aafes Guía Del Usuario

Chapter 12: Troubleshooting

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Adjust the brightness and contrast controls.

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Use the monitor degauss feature (see your monitor documentation) or turn 
off your computer and monitor, leave them off for at least a half hour, 
then restart your computer.

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Change the display settings. For more information, see 

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Move the monitor away from sources of electrical interference, such as 
televisions, unshielded speakers, microwaves, fluorescent lights, and metal 
beams or shelves.

For more information about display types, see your monitor and video card 
documentation.

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Make sure that the mouse cable is plugged in correctly.

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Shut down and restart your computer.

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Remove all extension cables and switch boxes.

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Try a mouse you know is working to make sure that the mouse port works.

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Reinstall the device driver. For more information, see 

If the mouse pointer begins moving erratically across the computer display or 
becomes difficult to control precisely, cleaning the mouse will likely improve 
its accuracy.

If you have an optical mouse, clean the mouse by wiping the bottom with a 
clean, damp cloth. Make sure that the optical sensor is clean and free or debris.

If you have a trackball mouse, see 

For a video tutorial about cleaning the mouse, click Start, 
Help and Support, Video tutorials, Maintaining your 
computer, then click Cleaning the mouse.