Lenovo 4015LS1 Manuale Utente

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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 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.
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  
orange.
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.