Dell E2723H 27" Monitor - Manual (Page 59)

Troubleshooting │ 59
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 through
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 through
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 or 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/pixelguidelines .