User Manual

Troubleshooting  47
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 any connected video cable 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.
No VGA Cable
Dell E1715S
The display will go into Power Save Mode in 5 minutes
www.dell.com/support/monitors
Dell E1715S
No VGA Cable
4. This box also appears during normal system operation, if the video
cable becomes disconnected or damaged. The monitor will enter
Power Save Mode after 5 minutes if left at this state.
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.