4-8 Maintenance and Troubleshooting
Table Section 4-2 Problems and Solutions
Problem
Symptom
Solution
Monitor malfunction
(cont’d)
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 monitor cable is
attached to the video connector 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 monitor.
8
. Replace system board.
CD-ROM
Malfunction
Disc tray does not open.
1
. Check that the system power is on.
2
. System power failed. Insert a small
object such as a paper clip into the
emergency eject hole to open the tray,
clockwise to close the tray.
Cannot access CD-ROM
reader.
1
. Check signal/power connections
between reader, PCB, power supply.
2
. Check master/slave settings.
3
. Check power supply.
4
. Check IDE cable. Replace as
necessary.
5
. Replace system board.
