Troubleshooting
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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 pressed.
• Ensure that the correct input source is selected
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
Missing Pixels
LCD screen has
spots
•
Turn off the monitor and turn it on again.
•
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:
https://www.dell.com/pixelguidelines
Stuck-on Pixels LCD screen has
bright spots
•
Turn off the monitor and turn it on again.
•
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:
https://www.dell.com/pixelguidelines
Brightness
Problems
Picture too dim
or too bright
• Reset the monitor to factory settings.
• Adjust brightness and contrast controls via
OSD.
Safety Related
Issues
Visible signs
of smoke or
sparks
• Do not perform any troubleshooting steps.
• Contact Dell immediately.