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Horizontal/
Screen has one
Vertical Lines
or more lines
Synchronization
Screen is
Problems
scrambled or
appears torn
Safety Related
Visible signs of
Issues
smoke or sparks
Intermittent
Monitor
Problems
malfunctions on
& off
Missing Color
Picture missing
color
Wrong Color
Picture color not
good
Image retention
Faint shadow
from a static
from the static
image left on
image displayed
the monitor for
appears on the
a long period of
screen
time
42
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Troubleshooting
• Reset the monitor to 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.
• 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.
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
• 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.
• 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.
• 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.
• Run the built-in diagnostics.
• Use the Power Management feature to turn off the monitor
at all times when not in use (for more information, see
Power Management
• Alternatively, use a dynamically changing screensaver.
Modes).
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