Dell U2724D - Page 75

Troubleshooting | 75
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
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.
•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
•Try dierent 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.
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 o 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.