Dell Alienware 27 Gaming AW2721D Alienware AW2721D Monitor Users Guide - Page 69

Brightness/Contrast, Contact Dell, Quality and Pixel Policy, see Dell support

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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: 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: www.dell.com/pixelguidelines. Brightness Problems Picture too dim • Reset the monitor to factory settings. or too bright • Adjust brightness and contrast controls in the Brightness/Contrast menu. Geometric Distortion Screen not centered correctly • Reset the monitor to factory settings. Horizontal/ Vertical Lines Screen has one • Reset the monitor to factory settings. or more lines • Perform monitor self-test feature check and determine if these lines are also in selftest mode. • Check for bent or broken pins in the video cable connector. • Run the built-in diagnostics. Synchronization Screen is Problems scrambled or appears torn • Reset the monitor to factory settings. • 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. Safety Related Issues Visible signs of • Do not perform any troubleshooting steps. smoke or sparks • Contact Dell immediately. Troubleshooting | 69

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Troubleshooting
|
69
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:
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:
www.dell.com/pixelguidelines
.
Brightness
Problems
Picture too dim
or too bright
•
Reset the monitor to factory settings.
•
Adjust brightness and contrast controls in
the
Brightness/Contrast
menu.
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.
Synchronization
Problems
Screen is
scrambled or
appears torn
•
Reset the monitor to factory settings.
•
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
.
Safety Related
Issues
Visible signs of
smoke or
sparks
•
Do not perform any troubleshooting steps.
•
Contact Dell
immediately.