Users Guide

Troub l esh oot in g   │  69
Troubleshooting
WARNING: Before you begin any of the procedures in this section,
follow 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. Unplug the video cable from the computer.
3. Turn on the monitor.
If
the monitor cannot sense a video signal and
is working correctly, the following
message will appear:
or
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. This box also appears during normal system operation, if the video cable
bec
omes disconnected or damaged.
5. Turn Off your monitor and reconnect the video cable; then turn On both your
comp
uter and the monitor.