User Manual
Table Of Contents
64 │ Tro ub l esh ootin g
Synchronization
Problems
Screen is
scrambled or
appears torn
• Reset the monitor to factory settings.
• Invoke the self-test feature (see Self-
test) and determine if these lines are
also flagged in the 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
and off
• Ensure that the video cable
connecting the monitor to the
computer is connected properly and is
secure.
• Reset the monitor to factory settings.
• Invoke the self-test feature (see Self-
test) and determine if these lines are
also flagged in the 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 the Color menu OSD.
• Change the Input Color Format to
RGB or YCbCr/YPbPr in the Color
settings OSD.
• Run the built-in diagnostics.