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Troubleshooting 7-9
Problems and Solutions
Problem Symptom Solution
Monitor malfunction Unable to synchronize display. 1. Adjust the monitor’s synchronization
controls.
2. Check that the monitor’s resolution
matches the video setting or the video
driver used (see Section 2).
3. Check that the utility is not selecting a
refresh rate/resolution that is not supported
by the monitor.
4. Check that the driver used matches the
capabilities of the built-in video controller
and DRAM.
Wavy display. 1. Check that the computer and monitor
are not near motors or electric fields.
Blank display. 1. Press any key or move the mouse to
ensure power management has not blanked
the display.
2. Check that the monitor power ON/OFF
switch is ON.
3. Check that the monitor cable is attached
to the video connector at the back of the
system.
4. Check cable connections between the
AC power supply and monitor.
5. Adjust brightness and contrast controls
on the monitor.
6. Check cable connections between the
monitor connector and the graphics board.
7. Replace graphics board.
8. Replace monitor.
CD-ROM drive
malfunction
System power not on. 1. Turn system power on.
Disc tray does not open. 1. System power not on. Turn system
power on.
2. System power failed. Insert the end of a
straightened paper clip into the emergency
eject hole, then gently press inward until the
tray opens.