Lenovo ThinkCentre Tiny-in-One 23 Manual do utilizador - Página 33
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Manual image setup
28
ThinkCentre Tiny-in-One 23 User Guide
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
green
The power
The video signal
indicator is
cable is loose or
green, but
disconnected from properly.
there is no
the system or
image.
monitor.
The power
The monitor
indicator is
brightness and
green, but
contrast are at the
there is no
lowest setting.
image.
One or more
This is a
of the pixels
characteristic of the pixels missing, contact the
appear
LCD technology
discoloured
and is not an LCD
defect.
● Fuzzy lines
● Image setup has Adjust the resolution
in text or a
not been
blurry image.
optimized
● Your system
● Horizontal
Display
or vertical
Properties setting
lines through
have not been
the image.
optimized.
● Fuzzy lines
● Image setup has Perform automatic image
in text or a
not been
blurry image.
optimized
● Your system
● Horizontal
Display
or vertical
Properties setting
lines through
have not been
the image.
optimized.
● Fuzzy lines
● Image setup has
in text or a
not been
blurry image.
optimized
● Your system
● Horizontal
Display
or vertical
Properties setting system.
lines through
have not been
the image.
optimized.
The image is
It has not set the
not acceptable optimum
when
resolution for each
switching to
mode
dual mode
If automatic image setup does not establish the image that you prefer, perform
manual image setup.
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
Adjust the brightness and
contrast setting on the OSD
menu.
If there are more than five
Customer Support Centre.
settings on your system to
match the native resolution
for this monitor: 1920x1080
at 60 Hz.
setup. If automatic image
setup does not help,
perform manual image
setup.
When working in the native See the Advanced section
resolution, you may find
additional improvements by properties.
adjusting the Dots Per Inch
(DPI) setting on your
● Use ThinkVision
Duo
®
software to optimize the on page
dual screen operation
● Adjust graphic card
resolution manually
Reference
"Understanding power
19
management" on page
"Setting up your monitor
4
"on page
"Adjusting your monitor
15
image" on page
"Service and support" on
33
page
"Adjusting your monitor
15
image" on page
"Selecting a supported
19
display mode" on page
of your system's display
"Using the user controls"
15