Troubleshooting - Lenovo ThinkVision T22v-20 User Manual

Troubleshooting

3-3 T22v-20 Flat Panel Monitor User's Guide
If you have a problem setting up or using your monitor, you might be able to solve it yourself.
Before calling your dealer or Lenovo, try the suggested actions that are appropriate to your
problem.
Table3-2.Troubleshooting
Problem Possible cause
The words" Out The system is set
of Range" are to a display
shown on the mode which is
screen, and the not supported by
power indicator is the monitor.
flashing white.
The image quality The video signal
is unacceptable. cable is not
connected with
the monitor or
system
completely.
The image quality
The color
is unacceptable.
settings may be
incorrect.
The image quality
The automatic
is unacceptable.
image setup
function was not
performed.
● The monitor's
The power
indicator is not lit power switch
and there is no is not switched
image. on.
● The power
cord is loose or
disconnected.
● There is no
power at the
outlet.
Suggested action
● If you are replacing an old
monitor, reconnect it and
adjust the display mode to
within the specified range
for your new monitor.
● If using a Windows
system, restart the system
in safe mode, then select a
supported display mode
for your computer.
● If these options do not
work, contact the
Customer Support Centre.
Be sure the signal cable is
firmly plugged into the
system and monitor.
Select another colour setting
from the OSD menu.
Perform automatic image
setup.
● Be sure the power cord is
connected properly.
● Be sure the outlet has
power.
● Power on the monitor.
● Try using another power
cord.
● Try using another
electrical outlet.
Reference
"Selecting a supported
display mode" on page
2-10
"Connecting and turning
on your monitor" on
page 1-7
"Adjusting your monitor
image" on page 2-6
"Adjusting your monitor
image" on page 2-6
"Connecting and turning
on your monitor
" on page 1-7