5. Trouble Shooting Instructions
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.