Troub leshooting │ 65
Troubleshooting
WARNING: Before you begin any of the procedures in this section,
fol low the Safety instructions.
Self-test
Your monitor provides a self-test feature that allows you to check whether your
monitor is functioning properly. If your monitor and computer are properly
connected but the monitor screen remains dark, run the monitor self-test by
performing the following steps:
1. T
urn off both your computer and the monitor.
2. Unp
lug the video cable from the computer.
3. T
urn on the monitor.
If the monitor cannot sense a video signal
and is working correctly, the following
message will appear:
NOTE: The message may be slightly different according to the
connected input signal.
NOTE: While in self-test mode, the power LED remains white.
4. T
his box also appears during normal system operation, if the video cable
becomes disconnected or damaged.
5. T
urn Off your monitor and reconnect the video cable; then turn On both your
computer and the monitor.
If your monitor screen remains blank after y
ou use the previous procedure, check
your video controller and computer, because your monitor is functioning properly.
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