Troubleshooting
Monitor Problems
Action
Blank screen
Verify that:
1. The system power cord is plugged into the system
and a working electrical outlet.
2. The monitor is turned on and the Brightness and
Contrast controls are adjusted correctly.
3. The monitor signal cable is connected to the correct
connector on the system.
If the items above are correct and the screen remains
blank, have the system serviced.
Only the cursor appears.
Have the system serviced.
Wrong characters appear
on the screen.
Have the system serviced.
General Problems
Action
Problems such as broken
cover locks or indicator
lights not working.
Have the system serviced.
Intermittent Problems
Action
A problem occurs only
occasionally and is
difficult to detect.
Verify that:
1. All cables and cords are securely connected to the
rear of the system and attached options.
2. When the system is turned on, air is flowing from
the rear of the system at the fan grill. If there is no
air flow, the fan is not working. This causes the
system to overheat and shut down.
3. The last external device in each SCSI chain is
terminated correctly. (See your SCSI
documentation.)
If the items above are correct, have the system serviced.
Keyboard, Mouse,
or Pointing-
Device Problems
Action
All or some keys on the
keyboard do not work.
1. Make sure the keyboard cable is properly
connected to the system.
2. Make sure the system and the monitor are turned
on.
If the items above are correct, have the system serviced.
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