Dell Alienware 25 Gaming AW2523HF Alienware AW2523HF Monitor Users Guide - Page 57

Troubleshooting, Self-test

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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 and the analog cables from the back of computer. 3. Turn on the monitor. The floating 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 remains white. Also, depending upon the selected input, one of the dialogs shown below will continuously scroll through the screen. Alienware 25 Monitor No DP Cable The display will go into Standby mode in 4 minutes. www.dell.com/AW2523HF AW2523HF 4. This box also appears during normal system operation if the video cable is 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 use the previous procedure, check your video controller and computer, because your monitor is functioning properly. Troubleshooting | 57

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Troubleshooting
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57
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 and the analog cables from the back of
computer.
3.
Turn on the monitor.
The floating 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 remains white. Also, depending upon the selected input,
one of the dialogs shown below will continuously scroll through the screen.
The display will go into Standby mode in 4 minutes.
www.dell.com/AW2523HF
No DP Cable
Alienware 25 Monitor
AW2523HF
4.
This box also appears during normal system operation if the video cable is
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 use the previous procedure, check
your video controller and computer, because your monitor is functioning properly.