Hot to troubleshoot monitors

omputer monitor problems can be the result of a number of culprits, including
electrical and cabling issues, interference, a problem with the computer's video
adapter or drivers or a problem withthe monitor itself. Use the following tips
to help diagnose problems you may be having with your monitor.

1Check for loose electrical and VGA cables. Remove the electric cord from the
backof the monitor, then put it back in place. Remove the VGA cable from the
computer and monitor and put it back in place. Make sure the connection is
tight. If you're using a cable extender,remove it.

2Plug the monitor's electric cord into a different outlet. If you're using a
UPS or surge protector, plug it directly into a wall outlet.

3Attach the monitor to a differentcomputer. If the monitor still doesn't
work, replace the monitor's cable. Make sure the cable is less than 5 feet
long. If it still doesn't work, the monitor will need to be replaced orrepaired. If it works with no problem on the other computer, troubleshoot your
video card.

4Unplug your computer from the monitor and power outlet. Remove the cover.
Pull the video card out ofthe slot on the system board. Push it back into
place. Be sure the connection is secure.

5Put the CD that came with your video card into your computer's CD-ROM drive.
Follow thedirections to reinstall the video card drivers. Download a new
version of the drivers from the manufacturer's website if necessary.

6Right-click a blank area of your Desktop. Choose "Properties" fromthe
display menu. Click the "Settings" tab. Try different screen resolutions to
resolve the problem.

7Determine whether the problem is caused by electrical interference.
Electricalinterference will make the monitor appear jumpy or wavy. Move any
speakers, radios, fans or other items that can cause electrical interference
away from the monitor.

Monitors use high...