Users Guide

66 | Troubleshooting
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 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 horizontal & vertical 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.