Common Problems - Dell E2723 User Manual

Common problems

The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common
Symptoms
No Video/Power
LED off
No Video/Power
LED on
Poor Focus
Shaky/Jittery Video • Reset the monitor to Factory Settings (Factory Reset).
Missing Pixels
│
56 Troubleshooting
Possible Solutions
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.
• 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.
• Eliminate video extension cables.
• Reset the monitor to Factory Settings (Factory Reset).
• Change the video resolution to the correct aspect ratio.
• Check environmental factors.
• Relocate the monitor and test in another room.
• 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/pixelguidelines.