Troubleshooting - Lenovo LT2423wC 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.
Table 3-2. Troubleshooting
Problem Possible cause
The words"Out
The system is set to a
of Range" are
display mode which is
shown on the
not supported by the
screen, and the
monitor.
power indicator
is flashing
green
The video signal cable
The image
is not conneced with
quality is
the monitor or system
unacceptable.
completely.
The color settings may
be incorrect.
The automatic image
setup function was not
performed.
The power
The monitors power
indicator is not
switch is not switched
lit and there is
on. The power cord is
no image.
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 Support Center.
Be sure the signal cable is firmly
plugged into the system and monitor.
Select another color setting from the
OSD menu.
Perform autormatic 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.
Chapter 3. Reference information 3-3
Reference
"Selecting a
supported
display
mode" on
page 2-5
"Connecting
and turning
on your
monitor" on
page 1-3
"Adjusting
your monitor
image" on
page 2-3
"Adjusting
your monitor
image" on
page 2-3
"Connecting
and turning
on your
monitor" on
page 1-3