LG 22MN42A Owner's Manual page 40

40
TROUBLESHOOTING
The audio function does not work.
Problem
Picture OK & No sound
No output from one of the speakers
Unusual sound from inside the
product
No sound when connecting HDMI
or USB
There is a problem with PICTURE settings.
Problem
When the user changes the
Monitor set
picture settings, the
automatically converts back to the
initial settings after a certain period
of time.
PC mode
No image is displayed.
Problem
Power is on, power indictor is blue
but the screen appears extremely
dark.
Does the 'Check signal cable'
message appear?
'Unknown Product' message appears when the product is connected.
Problem
Did you install the driver?
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?
y Adjust Balance in menu option.
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.
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
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 Home use. Now, you have completed switching to the
Home use mode.
y Adjust brightness and contrast again.
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.
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.
Resolution
Resolution
Choose Mode Setting
Resolution
Resolution