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Problem
Symptom
Keyboard or
Monitor has prompt, but
mouse
cannot input data using
malfunction
keyboard or mouse.
Monitor
Unable to synchronize
malfunction
display.
Wavy display.
Blank display.
CD-ROM drive
System power not on.
malfunction
Disc tray does not open.
7-8 Troubleshooting
Problems and Solutions
Solution
1.
Check keyboard/mouse plugged in.
2.
Check password (see Section 2).
3.
Disable password (see Section 2).
4.
Replace keyboard (or mouse).
5.
Replace system board.
1.
Adjust the monitor's synchronization controls.
2.
Check that the monitor's resolution matches
the video setting or the video driver used.
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.
1.
Check that the system and monitor are not
near motors or electric fields.
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.
Adjust brightness and contrast controls on the
monitor.
4.
Check that the monitor cable is attached to
the video connector at the back of the system.
5.
Check cable connections between the AC
power supply and monitor.
6.
Replace monitor.
1.
Turn system power on.
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.
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