Users Guide

Troubleshooting | 53
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
through 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 off is a natural defect
that can occur in LCD technology.
• For more information about Dell Monitor Quality
and Pixel Policy, see Dell Support site at:
https://www.dell.com/support/monitors.
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 about Dell Monitor Quality
and PixelPolicy, see Dell Support site at:
https://www.dell.com/support/monitors.
Brightness
problems
Picture too dim
or too bright
• Reset the monitor to factory settings.
• Adjust brightness and contrast controls through
OSD.
Safety-related
issues
Visible signs of
smoke or sparks
• Do not perform any troubleshooting steps.
• Contact Dell immediately.