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Lenovo 62F9-GAR4-WW 사용자 설명서

Troubleshooting

If you encounter problems setting up or using your display, you may be able to solve the
problem. Before contacting your dealer or Lenovo, please try the following suggested
actions depending on the problem you are experiencing.
Table 3-2. Troubleshooting
Problem
"Out of Range" is
displayed on the
screen and the power
indicator flashes
white.
Poor image quality
The power indicator
does not light up and
no images are
displayed.
The screen is blank
and the power
indicator shows
yellow.
The power indicator
shows amber and no
images are displayed
One or more pixels
change color
Chapter 3. Reference Information 3-3
Possible Causes
Recommended Operations
•If you are replacing an old
This display does not
support the display
display, reconnect it and
mode set by the
adjust the display mode to the
system
range supported by the new
display.
•If you are using a Windows
system, restart the system in
safe mode and select a
supported display mode for
your computer.
•If these options do not work,
please contact Customer
Support.
The video signal cable
Make sure the signal cable is
is not well connected
securely plugged into the
to the display or the
system and display.
system.
The color setting may
Select another color setting in
be incorrect.
the OSD menu.
The automatic image
Perform automatic image
setting function is not
setup.
performed.
•The display's power
•Make sure the power cord is
switch is not turned
well connected.
•Make sure the outlet has
on.
•The power cord is
power.
•Power on the display.
loose or not
•Change the power cord.
connected.
•The outlet has no
•Change the power outlet.
electricity.
•Press any key on the
The display is in
standby/hang-up
keyboard or move the mouse
mode
to resume operation.
•Check the power options
settings on the computer.
Video signal cable is
Make sure the video cable is
loose or disconnected
well connected to the system.
from the system or
display.
The display brightness
Adjust the Brightness and
and contrast are at
Contrast settings in the OSD
their lowest settings.
menu.
This is an inherent
If more than five pixels are
characteristic of LCD
missing, please contact
technology and is not
Support Center
an LCD defect.
Refer to
"Select Support
Display Mode" on
pages 2-6
"Connecting and
Powering on the
Display" on pages
1-6
"Adjusting the
Display Image" on
pages 2-3
"Adjusting the
Display Image" on
pages 2-3
"Connecting and
Powering on the
Display" on pages
1-6
"Understanding
Power
Management" on
pages 2-7
"Connecting and
Powering on the
Display" on pages
1-6
"Adjusting the
Display Image" on
pages 2-3
"Appendix A.
Service and
Support" on pages
A-1