Dell 25 Gaming S2522HG S2522HG Monitor Users Guide - Page 58

Troubleshooting, Self-test

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Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Sel f-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. Unplug the video cable from the back of the computer. To ensure proper self- test operation, remove all digital cables from the back of computer. 3. Turn on the monitor. NOTE: A dialog box should appear on-screen (against a black background), if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED lights white (default color) and the downlights light blue (default color). NOTE: The message may slightly differ, depending on the connected input signal. 4. This box also appears during normal system operation, if the video cable becomes disconnected or damaged. 5. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor. If your monitor screen remains blank after you perform the previous procedure, check your video controller and computer, because your monitor is functioning properly. 58 │ Troubleshooting

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58± ±
│
± ± Troubleshooting
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.
Unplug the video cable from the back of the computer. To ensure proper self-
test operation, remove all digital cables from the back of computer.
3.
Turn on the monitor.
NOTE: A dialog box should appear on-screen (against a black
background), if the monitor cannot sense a video signal and is working
correctly. While in self-test mode, the power LED lights white (default
color) and the downlights light blue (default color).
NOTE:
The message may slightly differ, depending on the connected
input signal.
4.
This box also appears during normal system operation, if the video cable
becomes disconnected or damaged.
5.
Turn off your monitor and reconnect the video cable; then turn on both your
computer and the monitor.
If your monitor screen remains blank after you perform the previous procedure,
check your video controller and computer, because your monitor is functioning
properly.