Dell P2223HC USB-C Monitor Users Guide - Page 76

Quality and Pixel Policy, see Dell, Cycle power On-Off.

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Missing Pixels Stuck-on Pixels Brightness Problems Geometric Distortion Horizontal/ Vertical Lines 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. 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. Picture too dim or • Reset the monitor to factory settings. too bright • Adjust brightness and contrast controls via OSD. Screen not • Reset the monitor to factory settings. centered correctly Screen has one or more lines • Reset the monitor to factory settings. • 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. 76 │ Troubleshooting

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76± ±
│
± ± 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.
•
Adjust brightness and contrast
controls via OSD.
Geometric
Distortion
Screen not
centered correctly
•
Reset the monitor to factory settings.
Horizontal/
Vertical Lines
Screen has one or
more lines
•
Reset the monitor to factory settings.
•
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.