Dell U2715Hc User Manual page 57

Shaky/Jittery
Video
Missing Pixels
Stuck-on Pixels
Brightness
Problems
Geometric
Distortion
Horizontal/
Vertical Lines
Synchronization
Problems
Safety Related
Issues
Intermittent
Problems
Wavy picture or
fine movement
LCD screen has
spots
LCD screen has
bright spots
Picture too dim or
too bright
Screen not
centered correctly
Screen has one or
more lines
Screen is
scrambled or
appears torn
Visible signs of
smoke or sparks
Monitor
malfunctions on &
off
∞ Reset the monitor to Factory Settings(Factory
Reset).
∞ Check environmental factors.
∞ Relocate the monitor and test in another room.
∞ 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.
∞ 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.
∞ Reset the monitor to Factory Settings(Factory
Reset).
∞ Adjust brightness & contrast controls via OSD.
∞ Reset the monitor to Factory Settings(Factory
Reset).
∞ Adjust horizontal & vertical controls via OSD.
∞ 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.
∞ 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.
∞ 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(Factory
Reset).
∞ Perform monitor self-test feature check to
determine if the intermittent problem occurs in self-
test mode.
Troubleshooting
57
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