Maintenance and Troubleshooting 4-15
Table 4-4 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 1).
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 video board and video
RAM.
Wavy display.
1. Check that the computer and monitor
are not near motors or electric fields.
Blank display.
1. Press any key or move mouse to
ensure power management has not
blanked the display
2. Check that the VGA connector is
attached to the video board at the rear of
the system.
3. Check that the monitor power ON/OFF
switch is ON.
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 system board
(or optional video board).
7. Replace video board.
8. Replace monitor.
CD-ROM
Malfunction
Disc tray does not open.
1. Check that the system power is on.
2. System power failed. Insert a paper clip
into the emergency eject hole and press
inward to open the tray.
Summary of Contents for MT-2550-24874C
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