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56 Troubleshooting
Common
Symptoms
What You
Experience
Possible Solutions
Synchronization
Problems
Screen is scrambled
or appears torn
•Reset the monitor to Factory
Settings.
•Perform Auto Adjust via OSD.
(For VGA source only)
•Adjust Phase and Pixel Clock
controls via OSD.
(For VGA source only)
•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 & o
•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 Color Setting
Mode in the Color Settings
OSD to Graphics or Video
depending on the application.
•Try dierent Color Preset
Settings in Color Settings OSD.
Adjust R/G/B value in Color
Settings OSD if the Color
Management is turned o.
•Change the Input Color
Format to PC RGB or YPbPr in
the Advance Setting OSD.