Dell G3223D User Manual page 69

Common
symptoms
Stuck-on pixels
Brightness problems • Reset the monitor to factory settings (Factory Reset).
Geometric distortion • Reset the monitor to factory settings (Factory Reset).
Horizontal or vertical
lines
Synchronization
problems
Safety-related
issues
Intermittent
problems
Possible solutions
• 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.
• Adjust brightness and contrast controls through OSD.
• Adjust horizontal and vertical controls through OSD.
• 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.
• Reset the monitor to factory settings (Factory Reset).
• Perform monitor self-test feature check to determine if
the scrambled screen appears in self-test mode.
• Check for bent or broken pins in the video cable
connector.
• Restart the computer in the safe mode.
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
• Ensure that the video cable connecting the monitor to the
computer is connected properly and is secure.
• Reset the monitor to factory settings (Factory Reset).
• Perform monitor self-test feature check to determine if
the intermittent problem occurs in self-test mode.
Troubleshooting
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