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Troubleshooting
Synchronization
problems
Screen is
scrambled or
appears torn
• Reset the monitor to factory settings.
• Invoke the self-test feature (see
) 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
) 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.