Dell G3223D - Common Problems

68 │ 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 or 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 or 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 about Dell Monitor Quality and Pixel
Policy, see Dell Support site at:
www.dell.com/pixelguidelines.