Table3-2.Troubleshooting(continued)
Problem
Possible cause
Suggested action
Reference
Screen is blank The monitor is in
●
Press any key on the
“Understanding power
and power
Standby/Suspend
keyboard or move the
management” on page
19
indicator is
mode
mouse to restore
steady amber
operation.
or flashing
●
Check the Power options
green
settings on your
computer.
The power
The video signal
Be sure the video cable is
“Setting up your monitor
indicator is
cable is loose or
connected with the system “on page
4
green, but
disconnected from properly.
there is no
the system or
image.
monitor.
The power
The monitor
Adjust the brightness and
“Adjusting your monitor
indicator is
green, but
brightness and
contrast are at the
contrast setting on the OSD
menu.
image” on page
15
there is no
lowest setting.
image.
One or more This is a
If there are more than five “Service and support” on
of the pixels
characteristic of the pixels missing, contact the page
33
appear
LCD technology
Customer Support Centre.
discoloured
and is not an LCD
defect.
●
Fuzzy lines
●
Image setup has Adjust the resolution
“Adjusting your monitor
in text or a
not been
settings on your system to image” on page
15
blurry image. optimized
match the native resolution
●
Horizontal
●
Your system
for this monitor: 1920x1080
or vertical
Display
at 60 Hz.
lines through Properties setting
the image.
have not been
optimized.
●
Fuzzy lines
●
Image setup has Perform automatic image
“Selecting a supported
in text or a
not been
setup. If automatic image
display mode” on page
19
blurry image. optimized
setup does not help,
●
Horizontal
●
Your system
perform manual image
or vertical
Display
setup.
lines through Properties setting
the image.
have not been
optimized.
●
Fuzzy lines
●
Image setup has When working in the native See the Advanced section
in text or a
not been
resolution, you may find
of your system’s display
blurry image. optimized
additional improvements by properties.
●
Horizontal
●
Your system
adjusting the Dots Per Inch
or vertical
Display
(DPI) setting on your
lines through
Properties setting system.
the image.
have not been
optimized.
The image is It has not set the
●
Use ThinkVision
®
Duo
“Using the user controls”
not acceptable optimum
software to optimize the on page
15
when
resolution for each
dual screen operation
switching to
mode
●
Adjust graphic card
dual mode
resolution manually
Manual
image
setup
If automatic image setup does not establish the image that you prefer, perform
manual image setup.
28
ThinkCentre Tiny-in-One 23 User Guide
