Lenovo ThinkVision T2220 21.5-inch WLED Backlit LCD Monitor ThinkVision T2220 - Page 24

Troubleshooting, appropriate to your problem.

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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 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. 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. Reference "Selecting a supported display mode"on page 2-7 If using a Windows system, restart the system in safe mode, then select a supported display mode for your computer. The image quality is unacceptable. The power indicator is not lit and there is no image. Screen is blank and power indicator is amber. If these options do not work, contact the Support Center. 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 1-4 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 "Adjusting your setup. monitor image"on page 2-3 • The monitor's power switch is not switched on. • Be sure the power cord is connected properly. "Connecting and turning on your monitor"on page 1-4 • The power cord is • Be sure the outlet has loose or power. disconnected. • Power on the • There is no power monitor. at the outlet. • Try using another power cord. • Try using another electrical outlet. The monitor is in Standby/Suspend mode. • Press any key on the "Understanding keyboard or move power the mouse to restore management"on operation. page 2-8 • Check the Power Options settings on your computer. Chapter 3. 3-3

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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 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 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 is
firmly plugged into the
system and monitor.
"Connecting and
turning on your
monitor"on page 1-4
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 1-4
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.
"Understanding
power
management"on
page 2-8
•
Check the Power
Options settings on
your computer.
Chapter 3.
3-3