Lenovo Flat Panel Television LT3053P ユーザーズマニュアル

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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 
flashing green.
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.
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.
The color settings may 
be incorrect.
Select another color setting 
from the OSD menu.
The automatic image 
setup function was not 
performed.
Perform automatic image 
setup.
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.
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.