Troubleshooting - Lenovo ThinkVision T22i-20 User Manual

Troubleshooting

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
The words" Out
of Range" are
shown on the
screen, and the
power indicator is
flashing white.
The image quality
is unacceptable.
The image quality
is unacceptable.
The image quality
is unacceptable.
The power
indicator is not lit
and there is no
image.
Problem Possible cause
The system is set
to a display mode
which is not
supported by the
monitor.
The video signal
cable is not
connected with the
monitor or system
completely.
The color settings
may be incorrect.
The automatic
image setup
function was not
performed.
● The monitor's
power switch is
not switched 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
2-7
"Connecting and turning
on your monitor" on
page 1-4
"Adjusting your monitor
image" on page 2-3
"Adjusting your monitor
image" on page 2-3
"Connecting and turning
on your monitor"
on page 1-4
Reference information 3-3