Users Guide

Troub l esh oot ing 69
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
Color menu OSD.
•Change the Input Color Format to PC RGB
or YPbPr in the Color menu OSD.
Run the built-in diagnostics.