Dell S2721HGF User Manual page 53

Common What You
Symptoms Experience
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
• 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.
• 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.
• Use the Power Management feature to turn
off the monitor at all times when not in use (for
more information, see
modes).
• Alternatively, use a dynamically changing
screensaver.
Power management
Troubleshooting | 53