86 | Troubleshooting
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.
• 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 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.
Wrong color Picture color not
good
• Change the settings of the Preset
Modes in the Game menu OSD
depending on the application.
•Adjust Gain/Offset/Hue/Saturation
value under Custom Color in the Game
menu OSD.
• Change the Input Color Format to RGB
or YCbCr/YPbPr in the Display settings
OSD.
• Run the built-in diagnostics.
Wrong color in
HDR mode
Color banding in
the pictures
Try to lower down the frequency (DP:
3440 x 1440 at
100 Hz, HDMI: 3440 x
1440 at
60 Hz).
Common
symptoms
What you
experience
Possible solutions
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