3.Press and hold Button 1 and Button 4 on the side panel simultaneously for 2 seconds. A gray screen appears.

4.Carefully inspect the screen for abnormalities.

5.Press Button 4 on the front panel again. The color of the screen changes to red.

6.Inspect the display for any abnormalities.

7.Repeat steps 5 and 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 detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.

Common Problems

The following table contains general information about common monitor problems you might encounter and the possible solutions:

Common

What You

Possible Solutions

Symptoms

Experience

 

 

 

 

No Video/Power

No picture

• Ensure that the video cable connecting the monitor and the

LED off

 

computer is properly connected and secure.

 

 

• Verify that the power outlet is functioning properly using

 

 

any other electrical equipment.

 

 

• Ensure that the power button is depressed fully.

 

 

• Ensure that the correct input source is selected via the

 

 

Input Source menu.

No Video/Power

No picture or no

LED on

brightness

Increase brightness & contrast controls via OSD.

Perform monitor self-test feature check.

Check for bent or broken pins in the video cable connector.

Run the built-in diagnostics.

Ensure that the correct input source is selected via the

Input Source menu.

Poor Focus

Picture is fuzzy,

 

blurry, or

 

ghosting

Perform Auto Adjust via OSD.

Adjust the Phase and Pixel Clock controls via OSD.

Eliminate video extension cables.

Reset the monitor to Factory Settings.

Change the video resolution to the correct aspect ratio.

Shaky/Jittery

Wavy picture or

Video

fine movement

Perform Auto Adjust via OSD.

Adjust the Phase and Pixel Clock controls via OSD.

Reset the monitor to Factory Settings.

Check environmental factors.

Relocate the monitor and test in another room.

Troubleshooting 49

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Dell P2214H/P2414H manual Common Problems, Input Source menu