Users Guide

Troubleshooting 73
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common Symptoms Possible Solutions
No Video/Power LED off 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 via the Input Source menu.
No Video/Power LED on Increase brightness and contrast controls using the 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 via the Input Source menu.
Poor focus Eliminate video extension cables.
Reset the monitor to Factory Settings (Factory Reset).
Change the video resolution to the correct aspect ratio.
Shaky/Jittery video Reset the monitor to Factory Settings (Factory Reset).
Check environmental factors.
Relocate the monitor and test in another room.
Missing pixels Cycle power On-off.
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:
www.dell.com/support/monitors.
Stuck-on pixels Cycle power On-off.
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:
www.dell.com/support/monitors.
Brightness problems Reset the monitor to Factory Settings (Factory Reset).
Adjust brightness & contrast controls via OSD.
Geometric distortion Reset the monitor to Factory Settings (Factory Reset).
Adjust brightness & contrast controls via OSD.
Horizontal/Vertical lines Reset the monitor to Factory Settings (Factory Reset).
Perform monitor self-test feature check and determine if these lines are
also in self-test mode.
Check for bent or broken pins in the video cable connector.
Run the built-in diagnostics.