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68
| Troubleshooting
Common Problems
The following table contains general information about common monitor 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
monitor 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 and 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
in the
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
Video
Wavy picture or
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.
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 Monitor Quality
and Pixel Policy, see Dell Support site at:
.