Troubleshooting | 65
Common problems
The following table contains general information about common display problems you
might encounter and the possible solutions:
Common
Symptoms
What You
Experience
Possible Solutions
No Video/
Power LED off
No picture
•
Ensure that the video cable connecting the
display and the 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
in the
No Video/
Power LED on
No picture or no
brightness
•
Increase brightness & contrast controls via
OSD.
•
Perform display 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
in the
Poor Focus
Picture is
fuzzy, blurry, or
ghosting
•
Eliminate video extension cables.
•
Reset the display to factory settings.
•
Change the video resolution to the correct
aspect ratio.
Shaky/Jittery
Video
Wavy picture or
fine movement
•
Reset the display to factory settings.
•
Check environmental factors.
•
Relocate the display and test in another room.
Missing Pixels
LCD screen has
spots
•
Cycle power on-off.
•
Pixel that is permanently off is a natural defect
that can occur in LCD technology.
•
For more information on Dell Display Quality
and Pixel Policy, see Dell Support site at:
