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Built-in diagnostics – Dell P5524Q 55" UHD 4K Commercial Monitor User Manual

Page 53

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Troubleshooting

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53

Built-in diagnostics

Your monitor has a built-in diagnostic tool that helps you determine if the screen
abnormality you are experiencing is an inherent problem with your monitor, or with
your computer and video card.

NOTE: You can run the built-in diagnostics only when the video cable is

unplugged and the monitor is in self-test mode.

Menu

Exit
Power

Down

Up

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To run the built-in diagnostics:

1.

Ensure that the screen is clean (no dust particles on the surface of the
screen).

2.

Unplug the video cable (s) from the back of the computer or monitor. The
monitor then goes into the self-test mode.

3.

Press and hold the Exit key (button 4) for 4 seconds to enter the OSD lock/
unlock menu.

Dell 55 Monitor

Select Option:

P5524Q

+

4.

Select the

icon to enable the built-in diagnostics.

5.

Carefully inspect the screen for abnormalities.