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Common Problems
The following table contains information about resolving common monitor problems.
Common
Symptoms
What You
Experience
Possible Solutions
• Make sure the display cable connecting the
monitor and the computer is properly connected
and secure.
No Video
(Power light off)
No picture
• Make sure the power outlet is functioning
properly using any other electrical equipment.
• Make sure the power button is not pressed-in.
• Make sure the correct input source is selected
using the Input Source Select button.
• Check the
Power Button LED
option under
Energy Settings
in OSD Menu.
• Increase brightness and contrast using OSD.
• Perform monitor self-test.
No Video
(Power light on)
No picture or no
brightness
• Check for bent or broken pins on the
display cable and the ports.
• Run the built-in diagnostics.
• Make sure the correct input source is selected
using the Input Source Select button.
• Perform Auto Adjust using OSD.
Poor Focus
Picture is
fuzzy, blurry, or
ghosting
• Adjust the Phase and Pixel Clock using OSD.
• Eliminate video extension cables.
• Reset the monitor to factory settings.
• Change the video resolution to the correct
aspect ratio (16:9).
• Perform Auto Adjust using OSD.
Shaky/Jittery
Video
Wavy picture or
fine movement
• Adjust the Phase and Pixel Clock using OSD.
• Reset the monitor to factory settings.
• Check environmental factors.
• Relocate the monitor and test in another room.
• Turn off the monitor, disconnect and reconnect
the power cable, and turn on the monitor.
Missing Pixels
Stuck-on Pixels
LCD screen has
spots
• 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
dell.com/
support/monitors
.
Troubleshooting
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