Dell E2014T User's Guide download pdf (Page 38)

38  Troubleshooting

Built-in Diagnostics

Your monitor has a built-in diagnostic tool that helps you determine if the problems

with your monitor, or with your computer and video card.

NOTE: You can run the built-in diagnostics only when no display cables are

connected and the monitor is in self-test mode.

To run the built-in diagnostics:

1. Make sure that the screen is clean

2. Unplug the video cable(s) from the computer or monitor.

The monitor enters the self-test mode.

3. Press and hold button 1 and Button 4 simultaneously for 2 seconds.

A gray screen appears.

4. Carefully inspect the screen for abnormalities.

5. Press button 4 again. The color of the screen changes to red.

6. Inspect the display for any abnormalities.

7. Repeat step 5 and step 6 to inspect the display in green, blue, black, white,

and text screens.

The test is complete when the text-screen appears. To exit, press button 4 again.

If you do not see any screen abnormalities while running the built-in diagnostic,

the monitor is functioning properly. Check the computer and video card for

problems.

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Dell E2014T User's Guide Page 38