Troubleshooting | 85
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. Turn off both your
computer and the monitor.
2. U
nplug the video cable from the computer.
3. T
urn on the monitor.
NOTE: A dialog box should appear on the screen, indicating that the
monitor is working correctly and it is not receiving a video signal. While in
self-test mode, the power LED remains blue (default color).
NOTE: This dialog box also appears during normal operation, if the video
cable is disconnected or damaged.
4. Turn off your
monitor and reconnect the video cable; then turn on both
your computer and the monitor.
After performing the above steps, if the monitor displays
no video output, then
the problem may be with the graphics card or the computer.
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