Dell P5524QT 55" UHD 4K Touchscreen Commercial Monitor - Manual (Page 70)

70 | Troubleshooting
Common
Symptoms What You
Experience Possible Solutions
Missing Color Picture missing
color • Perform display self-test.
• Ensure that the video cable connecting the
display 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
YCbCr in the Color menu OSD.
• Run the built-in diagnostics.
Image retention
from a static
image left on
the display 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.
Touchscreen
non-responsive Display cannot
wake on touch • Ensure Wake On Touch is enabled via OSD.
Wake On Touch is default off.
Product specific problems
Specific
Symptoms What You
Experience Possible Solutions
Screen image is
too small Image is
centered on
screen, but
does not fill
entire viewing
area • Check the Aspect Ratio setting in the Display
menu OSD.
• Reset the display to factory settings.