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Table 3-2. Troubleshooting
Problem
Possible cause
The power
The video signal cable
indicator is
is loose or
orange, but there
disconnected from the
is no image.
system or monitor.
The monitor
brightness and
contrast are at the
lowest setting.
One or more of
This is a characteristic
the pixels appear
of the LCD
discolored.
technology and is not
an LCD defect.
•
Fuzzy lines
•
Image setup has
in text or a
not been
blurry
optimized.
image.
•
Your system
•
Horizontal
Display
or vertical
Properties setting
lines
have not been
through the
optimized.
image.
Suggested action
Be sure the video cable is
connected with the
system properly.
Adjust the brightness and
contrast setting on the
OSD menu.
If there are more than five
pixels missing, contact
the Support Center.
Adjust the resolution
settings on your system
to match the native
resolution for this
monitor: 3840 x 2160 at 60
Hz.
Perform automatic image
setup. If automatic image
setup does not help,
perform manual image
setup.
When working in the
native resolution, you
may find additional
improvements by
adjusting the Dots Per
Inch (DPI) setting on your
system.
Reference
"Connecting and
turning on your
monitor"on page 1-6
"Adjusting your
monitor image"on
page 2-3
Appendix A."Service
and Support"on page
A-1
"Adjusting your
monitor image"on
page 2-3
"Selecting a
supported display
mode"on page 2-8
See the Advanced
section of your
system's display
properties.
3-4
Chapter 3.
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