Dell UltraSharp U2422H User Manual page 90

Missing Color
Wrong Color
Image retention
from a static
image left on the
monitor for a long
period of time
│
90 Troubleshooting
Picture missing
color
Picture color not
good
Faint shadow
from the static
image displayed
appears on the
screen
• Perform monitor self-test feature
check.
• 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 the R/G/B
value in Custom Color in Color
settings OSD.
• Change the Input Color Format to
RGB or YCbCr/YPbPr 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.