Dell P2723QE 27" 4K UHD USB Type-C Hub Monitor User Manual
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Common
symptoms
What you
experience
Possible solutions
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 about Dell Monitor Quality
and Pixel Policy, see Dell support site at:
http://www.dell.com/pixelguidelines
.
Brightness
problems
Picture too dim or
too bright
• Reset the monitor to factory settings.
• Adjust brightness & contrast controls via OSD.
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.
Intermittent
problems
Monitor
malfunctions on
& off
• Ensure that the video cable connecting the
monitor to the computer is connected properly
and is secure.
• Reset the monitor to factory settings.
• Perform monitor self-test feature check to
determine if the intermittent problem occurs in
self-test mode.
Missing color
Picture missing
color
• Perform monitor self-test feature check.
• 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.
Wrong color
Picture color not
good
• Change the settings of the
Preset Modes
in the
Color
menu OSD depending on the application.
• Adjust R/G/B value under
Custom Color
in the
Color
menu OSD.
• Run the built-in diagnostics.