Troubleshooting │ 73
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common Symptoms
No Video/Power LED o
No Video/Power LED on
Poor focus
Shaky/Jittery video
Brightness problems
Geometric distortion
Horizontal/Vertical lines
Missing pixels
Stuck-on pixels
Ensure that the video cable connecting the monitor and the computer is
properly connected and secure.
Increase brightness and contrast controls using the OSD.
Eliminate video extension cables.
Check environmental factors.
Adjust brightness & contrast controls via OSD.
Adjust brightness & contrast controls via OSD.
Check for bent or broken pins in the video cable connector.
Run the built-in diagnostics.
Perform monitor self-test feature check and determine if these lines are
also in self-test mode.
Pixel that is permanently o is a natural defect that can occur in LCD
technology.
Pixel that is permanently o is a natural defect that can occur in LCD
technology.
Perform monitor self-test feature check.
Reset the monitor to Factory Settings (Factory Reset).
Reset the monitor to Factory Settings (Factory Reset).
Reset the monitor to Factory Settings (Factory Reset).
Reset the monitor to Factory Settings (Factory Reset).
Reset the monitor to Factory Settings (Factory Reset).
Cycle power On-o.
Cycle power On-o.
Check for bent or broken pins in the video cable connector.
Change the video resolution to the correct aspect ratio.
Relocate the monitor and test in another room.
For more information on Dell Monitor Quality and Pixel Policy,
see Dell Support site at:
www.dell.com/support/monitors.
For more information on Dell Monitor Quality and Pixel Policy, see Dell
Support site at:
www.dell.com/support/monitors.
Run the built-in diagnostics.
Verify that the power outlet is functioning properly using any other
electrical equipment.
Ensure that the correct input source is selected via the Input Source menu.
Ensure that the correct input source is selected via the Input Source menu.
Ensure that the power button is pressed.
Possible Solutions
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