Dell D7523QT User Manual page 51

Common symptoms Possible solutions
Stuck-on pixels
Brightness problems
Geometric distortion
Horizontal/Vertical lines · Reset the monitor to factory settings (Factory Reset).
Synchronization
problems
Safety related Issues
Intermittent problems
Missing color
· 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.
· Reset the monitor to factory settings (Factory Reset).
· Adjust brightness & contrast controls via OSD.
· Reset the monitor to factory settings (Factory Reset).
· Adjust horizontal & vertical controls via OSD.
· Check for bent or broken pins in the video cable connector.
· Reset the monitor to factory settings (Factory Reset).
· 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).
· Ensure that the video cable connecting the monitor to the
computer is connected properly and is secure.
· Check for bent or broken pins in the video cable connector.
Troubleshooting 51
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