Dell P2723DE 27" 1440p USB Type-C Hub Monitor - Manual (Page 88)

88 │ Troubleshooting
Missing Pixels LCD screen has
spots • 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 .
Stuck-on Pixels LCD screen has
bright spots • 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 .
Brightness
Problems Picture too dim or
too bright • Reset the monitor to Factory Settings
( Factory Reset ).
• Adjust brightness & contrast controls via
OSD.
Geometric
Distortion Screen not
centered correctly • Reset the monitor to Factory Settings
( Factory Reset ).
• Adjust horizontal & vertical controls via
OSD.
Horizontal/
Vertical Lines Screen has one or
more lines • 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.