Dell U2414H Monitor Bedienungsanleitung PDF herunterladen (Seite 55)

Troubleshooting | 55

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 (white connector) and the Analog (blue connector)

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.

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Dell U2414H Monitor Bedienungsanleitung Seite 55