Dell S2723HC Monitor Users Guide - Page 54

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 video 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. Dell 27 Monitor No USB-C Cable The display will go into Standby mode in 4 minutes. www.dell.com/S2723HC or Dell 27 Monitor S2723HC No HDMI Cable The display will go into Standby mode in 4 minutes. www.dell.com/S2723HC S2723HC 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. 54 | 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 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 video 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.
Dell 27 Monitor
The display will go into Standby mode in 4 minutes.
No USB-C Cable
www.dell.com/S2723HC
S2723HC
or
No HDMI Cable
The display will go into Standby mode in 4 minutes.
Dell 27 Monitor
www.dell.com/S2723HC
S2723HC
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.