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Troubleshooting | 57
Shaky/Jittery
Video
Wavy picture or
fine movement
Reset the monitor to Factory Settings(Factory
Reset).
Check environmental factors.
Relocate the monitor and test in another room.
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: http://www.
dell.com/support/monitors.
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:http://www.
dell.com/support/monitors.
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.
Synchronization
Problems
Screen is
scrambled or
appears torn
Reset the monitor to Factory Settings(Factory
Reset).
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(Factory
Reset).
Perform monitor self-test feature check to
determine if the intermittent problem occurs in self-
test mode.
57


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