Users Guide

Troubleshooting | 41
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 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.