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Table3-2.Troubleshooting(continued)
Problem
Possible cause
Screen is blank
The monitor is in
and power
Standby/Suspend
indicator is
mode
steady amber or
flashing white
The power
The video signal
indicator is
cable is loose or
white, but there
disconnected from
is no image.
the system or
monitor.
The monitor
brightness and
contrast are at the
lowest setting.
One or more of
This is a
the pixels appear
characteristic of the
discoloured
LCD technology
and is not an LCD
defect.
Fuzzy lines in
Image setup has
text or a
not been
blurry image.
optimized
Horizontal or
Your system
vertical lines
Display
through the
Properties setting
image.
have not been
optimized.
The image is not
It has not set the
acceptable when
optimum resolution
switching to
for each mode
dual mode
Suggested action
Press any key on the
keyboard or move the
mouse to restore
operation.
Check the Power options
settings on your
computer.
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
Customer Support Centre.
Adjust the resolution
settings on your system to
match the native resolution
for this monitor:
1920 x 1080 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.
Use ThinkVision Duo
software to optimize the
dual screen operation
Adjust graphic card
resolution manually
Reference
"Understanding power
management" on page
2-11
"Connecting and turning
on your monitor" on
page 1-7
"Adjusting your monitor
image" on page 2-6
Appendix A, "Service
and Support" on page
A-1
"Adjusting your monitor
image" on page 2-6
"Selecting a supported
display mode" on page
2-10
See the Advanced section
of your system's display
properties.
"Using the direct access
controls" on page 2-6
Chapter 3. Reference information 3-4
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