38
ENGLISH
TROUBLESHOOTING
The audio function does not work.
Problem Resolution
Picture OK & No sound
y
Press the
VOL
+ or - button.
y
Sound muted? Press MUTE button.
y
Try another channel. The problem may be with the broadcast.
y
Are the audio cables installed properly?
No output from one of the speakers
y
Adjust Balance in menu option.
Unusual sound from inside the
product
y
A change in ambient humidity or temperature may result in an
unusual noise when the product is turned on or off and does not
indicate a problem with the product.
No sound when connecting HDMI
or USB
y
Check HDMI cable is High Speed HDMI Cable.
y
Check USB cable over version 2.0.
y
If the sound is abnormal in the HDMI, check the audio format in your
external equipments.
»
Audio Supported format: PCM
There is a problem with PICTURE settings.
Problem Resolution
When the user changes the
picture settings, the
Monitor set
automatically converts back to the
initial settings after a certain period
of time.
y
It means that the Monitor set is currently set to
Store Demo
mode.
To switch to Home use mode you should do the followings: From
the Monitor set Menu, choose
OPTION
Choose
Mode Setting
Choose
Home use
. Now, you have completed switching to the
Home use mode.
PC mode
No image is displayed.
Problem Resolution
Power is on, power indictor is blue
but the screen appears extremely
dark.
y
Adjust brightness and contrast again.
Does the ‘Check signal cable’
message appear?
y
The signal cable between PC and product is not connected. Check
the signal cable.
y
Press the ‘INPUT’ button in the remote control to check the input
signal.
‘Unknown Product’ message appears when the product is connected.
Problem Resolution
Did you install the driver?
y
Install the product driver, which is provided with the product, or
download it from the web site. (http://www.lg.com)
y
See if the plug & play function is supported by referring to the video
card user’s guide.
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