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Horizontal/Vertical
Lines
Screen has one
or more lines
Reset the monitor to the
Factory settings
.
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.
If you're using DVI connection, ensure that a
Dual Link DVI cable is used (Supplied
together with the monitor).
Check for loose connection. Unplug &
reconnect if required.
Synchronization
Problems
Screen is
scrambled or
appears torn
Reset the monitor to the
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
.
If you're using DVI connection, ensure that a
Dual Link DVI cable is used (Supplied
together with the monitor).
Check for loose connection. Unplug &
reconnect if required.
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 the
Factory settings
.