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Missing color
Picture
missing color
• Perform monitor self-test feature check
(see 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
• Change the settings of the Preset Modes
in the Color menu OSD depending on the
application.
• Adjust the R/G/B values under Custom
Color in the Color menu OSD.
• Change the Input Color Format to RGB
or YCbCr/YPbPr in the Color settings
OSD.
• Run the built-in diagnostics. For more
information, see 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.
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
• Alternatively, use a dynamically changing
screensaver.
Video ghosting or
overshooting
Change the Response Time in the Display
menu OSD to Normal or Fast, depending on
your application and usage.
Video
ghosting,
shadows or
color smear
while
scrolling
NOTE: Auto Adjust, Phase, and Pixel Clock are only available for VGA
input source.
92 │ Troubleshooting