IBM T220, Руководство пользователя

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Chapter 6. Troubleshooting
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 ( ) to the proper position.
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.
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.
Symptom Possible cause Suggested action Reference
Screen is blank
and power
indicator is off No power to the
monitor 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. Chapter 2
Screen is blank
and power
indicator is steady
green Brightness may be
too low Adjust brightness Chapter 3
Screen is blank
and power
indicator is steady
amber The monitor is in
Standby mode Press any key on the
keyboard or move the mouse
to restore operation.
Check the Power Management
software on your computer. Chapter 3
The video cable is
not connected Check that the signal cable is
firmly connected.
Check that no pins are bent in
the signal cable connector. Chapter 2
Screen is blank
and power
indicator is blinking
amber every
second The display mode
of the computer is
outside the range of
the monitor Reconfigure the computer to
use a supported display mode. Appendix A
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