Dell 210-BDFZ User Manual page 74

Common What you
symptoms experience
Stuck-on pixels LCD screen has
bright spots
Brightness Picture too dim or
problems too bright
Synchronization Screen is scrambled
or appears torn
problems
Safety related Visible signs of
issues smoke or sparks
Intermittent Monitor
problems malfunctions on
& off
Missing color Picture missing
color
Wrong color Picture color not
good
│
74 Troubleshooting
Possible solutions
• 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.
• Reset the monitor to factory settings.
• Adjust brightness & contrast controls via OSD.
• 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.
• 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.
• Perform monitor self-test feature check to
determine if the intermittent problem occurs in
self-test mode.
• 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.
• 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.