Common
What you
Symptoms
experience
Brightness
Picture too dim or
Problems
too bright
Safety Related
Visible signs of
Issues
smoke or sparks
Intermittent
Monitor
Problems
malfunctions on &
off
Missing Color
Picture missing color • Perform monitor self-test.
Wrong Color
Picture color not
good
Image retention
Faint shadow from
from a static
the static image
image left on
displayed appears on
the monitor for
the screen
a long period of
time
Possible solutions
• Reset the monitor to factory settings.
• Adjust brightness and contrast controls via
OSD.
• 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.
• 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.
• Change the Input Color Format to PC RGB
or YPbPr in the Color menu OSD.
• Run the built-in diagnostics.
• Set the screen to turn off after a few
minutes of screen idle time. These can be
adjusted in Windows Power Options or Mac
Energy Saver setting.
• Alternatively, use a dynamically changing
screensaver.
Troubleshooting
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