Lenovo ThinkVision 21.5" Monitor - Manual (Page 28)

Chapter 3.
3-3
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 Suggested action Reference
The words "Out of
Range" are shown on
the screen, and the
power indicator is
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
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.
"Selecting a
supported display
mode" on page 2-7
The image quality is
unacceptable.
The video signal cable
is not connected with
the monitor or system
completely.
Be sure the signal cable
system and monitor.
"Connecting and
turning on your
monitor" on page 1-6
The color settings may
be incorrect.
Select another color
setting from the OSD
menu.
"Adjusting your
monitor image" on
page 2-3
The automatic image
setup function was not
performed.
Perform automatic image
setup.
"Adjusting your
monitor image" on
page 2-3
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 1-6
Screen is blank and
power indicator is
amber.
The monitor is in
Standby/Suspend mode.
• Press any key on the
keyboard or move
the mouse to restore
operation.
• Check the Power
Options settings on your
computer.
"Understanding
power management"
on page 2-8