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3-4 T23i-30 Flat Panel Monitor User's Guide
Table 3-2. Troubleshooting (continued)
Problem
Screen is blank and
The monitor is in
power indicator is
Standby/Suspend
steady amber or
mode
flashing white
The power indicator
The video signal cable
is white, but there is
is loose or
no image.
disconnected from the
system or monitor.
The monitor
brightness and
contrast are at the
lowest setting.
One or more of the
This is a characteristic
pixels appear
of the LCD
discoloured
technology and is not
an LCD defect.
Fuzzy lines in text
or a blurry image.
Horizontal or
vertical lines
through the image.
The image is not
It has not set the
acceptable when
optimum resolution
switching to dual
for each mode
mode
Possible cause
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.
Image setup has not
Adjust the resolution settings
been optimized
on your system to match the
native resolution for this
Your system
monitor:
Display Properties
1920 x 1080 at 60 Hz.
setting have not
been optimized.
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.
Suggested action
"Understanding power
management" on page
2-10
"Connecting and turning
on your monitor" on
page 1-5
"Adjusting your monitor
image" on page 2-5
Appendix A, "Service
and Support" on page
A-1
"Adjusting your monitor
image" on page 2-5
"Adjusting your monitor
image" on page 2-5
See the Advanced section
of your system's display
properties.
"Using the direct access
controls" on page 2-5
Reference
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