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Chapter 6. Troubleshooting
Symtom list
Before calling your retailer or IBM, find the symptom that most resembles yours,
and try the suggested action. You may be able to solve the problem yourself.
Is something wrong?
If you suspect something is not working correctly, you should:
1. Turn on the computer and monitor.
2. Set the brightness control (
3. Make sure that all cables are securely connected.
4. Disable the computer's screen saver program if it is enabled.
5. Set the display mode to the supported display modes in "Appendix A.
Specifications" on page 29.
6. If you still have trouble, go to the symptom list below and find the symptom
that most resembles yours.
Symptom
Possible cause
Screen is blank
No power to the
and power
monitor
indicator is off
Screen is blank
Brightness may be
and power
too low
indicator is steady
green
Screen is blank
The monitor is in
and power
Standby mode
indicator is steady
amber
The video cable is
not connected
Screen is blank
The display mode
and power
of the computer is
indicator is blinking
outside the range of
amber every
the monitor
second
) to the proper position.
Suggested action
Make sure that the electrical
outlet and the monitor are both
switched on.
Check that the power cord is
firmly plugged into the
electrical outlet and the power
supply unit.
If the power cord plug has a
removable fuse, replace it.
Try another power cord.
Try another electrical outlet.
Adjust brightness
Press any key on the
keyboard or move the mouse
to restore operation.
Check the Power Management
software on your computer.
Check that the signal cable is
firmly connected.
Check that no pins are bent in
the signal cable connector.
Reconfigure the computer to
use a supported display mode.
Reference
Chapter 2
Chapter 3
Chapter 3
Chapter 2
Appendix A
25
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