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Dell C2722DE 27" 16:9 IPS Video Conferencing Monitor User Manual

Page 107

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Troubleshooting

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107

Common
Symptoms

What You
Experience

Possible Solutions

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.

Image retention
from a static
image left on
the monitor for
a long period of
time

Faint shadow from
the static image
displayed appears
on the screen

• 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.