108 | 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 Input Source menu.
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 Input Source menu.
Missing Pixels LCD screen has
spots
• Cycle power on-off.
• Pixel that is permanently o 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
• Cycle power on-off.
• Pixel that is permanently o 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.