Dell UltraSharp 27 User Manual page 93

Common What you
symptoms experience
Safety related Visible signs of
issues smoke or sparks
Intermittent Monitor
problems malfunctions on
and 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
Possible solutions
• 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.
• 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.
• Try different Preset Modes in Color settings
OSD.
• Adjust R/G/B value under Custom Color in Color
menu OSD.
• Change the Input Color Format to RGB or
YCbCr in the Color settings 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 | 93