Dell Alienware AW2523HF - Troubleshooting; Diagnostics and Common Problems

Troubleshooting | 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 o 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 o 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.