Troubleshooting
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51
Common
Symptoms
What You
Experience
Possible Solutions
Geometric
Distortion
Screen not
centered
correctly
• Reset the monitor to factory settings.
• Auto Adjust
through OSD.
• Adjust horizontal & vertical controls via OSD.
Horizontal/
Vertical Lines
Screen has one
or more lines
• Reset the monitor to factory settings.
• Perform
Auto Adjust
via OSD.
• Adjust Phase and Pixel Clock controls via OSD.
• 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.
Synchronization
Problems
Screen is
scrambled or
appears torn
• Reset the monitor to factory settings.
• Perform
Auto Adjust
via OSD.
• Adjust Phase and Pixel Clock controls via OSD.
• 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 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.
• 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.
