3-2
C27-30 Flat Panel Monitor User’s Guide
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
Problem Suggested action Possible cause Reference
The words” Out
of Range” are
shown on the
screen, and the
power indicator is
flashing White.
The system is set
to a display mode
which is not
supported by the
monitor.
● 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.
“Selecting a supported
display mode” on page
2-9
The image quality
is unacceptable.
The video signal
cable is not
connected with the
monitor or system
completely.
Be sure the signal cable is
firmly plugged into the system
and monitor.
“Connecting and turning
on your monitor” on
page 1-3
The color settings
may be incorrect.
Select another colour setting
from the OSD menu.
“Adjusting your monitor
image” on page 2-6
The automatic image
setup function was
not performed.
Perform automatic image
setup.
“Adjusting your monitor
image” on page 2-6
The power
indicator is not lit
and there is no
image.
● The monitor’s
power switch is
not switched on.
● The power cord is
loose or
disconnected.
● There is no power
at the outlet.
● 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.
“
Connecting and turning
on your monitor” on
page 1-3
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