Dell P2422H Users Guide - Page 66

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 if 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. Disconnect all video cables from the monitor. This way, the computer doesn't have to be involved. 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 The display will go into Standby mode in 4 minutes. www.dell.com/P2X22H or No HDMI Cable The display will go into Standby mode in 4 minutes. www.dell.com/P2X22H or 66 │ Troubleshooting

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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 if 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. Disconnect all video cables from the monitor. This way, the computer doesn’t
have to be involved.
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
The display will go into Standby mode in 4 minutes.
www.dell.com/P2X22H
or
No HDMI Cable
The display will go into Standby mode in 4 minutes.
www.dell.com/P2X22H
or