Troubleshooting | 87
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:
www.dell.com/pixelguidelines.
Stuck-on pixels LCD screen has
bright 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:
www.dell.com/pixelguidelines.
Brightness
problems
Picture too dim
or too bright
• Reset the monitor to factory settings.
• Adjust brightness and contrast controls in
the
Brightness/Contrast menu.
Geometric
distortion
Screen not
centered
correctly
Reset the monitor to factory settings.
Horizontal/
vertical lines
Screen has one
or more lines
• Reset the monitor to factory settings.
• Perform monitor self-test feature check
and determine if these lines are also in
self-test mode.
• Check for bent or broken pins in the
video cable connector.
• Run the built-in diagnostics.
Synchronization
problems
Screen is
scrambled or
appears torn
• Reset the monitor to factory settings.
• Perform monitor self-test feature check
to determine if the scrambled screen
appears in self-test mode.
• Check for bent or broken pins in the
video cable connector.
• Restart the computer in the safe mode.
Common
symptoms
What you
experience
Possible solutions
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