LG M237WD Owner's Manual page 74

APPENDIX
N N o o A A u u d d i i o o . .
Picture OK but no sound
No output from one
of the speakers
Unusual sound from
inside
the product
W W h h e e n n u u s s i i n n g g P P C C i i n n p p u u t t ( ( R R G G B B o o r r D D V V I I ) )
N N o o V V i i d d e e o o . .
Power is on, power indic-
tor is blue but the screen
appears extremely dark.
Does the power indica-
tor look amber?
Does the 'Out of range'
message appear?
Does the 'Check signal
cable' message appear?
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Press the VOL + + or - - button.
A
Sound muted? Press MUTE button.
A
Try another channel. The problem may be with the broadcast.
A
Are the audio cables installed properly?
A
Adjust Balance in menu option.
A
A change in ambient humidity or temperature may result in an unusual noise
A
when the product is turned on or off and does not indicate a problem with
the product.
Adjust brightness and contrast again.
A
If the product is in power saving mode, move the mouse or press any key.
A
The signal from the PC (Video card) is out of the vertical or horizontal
A
frequency range of the product.
Adjust the video settings on the PC to match one of accepted resolution/fre-
quency settings listed in this manual.
The signal cable between PC and product is not connected. Check the signal
A
cable.
Press the 'INPUT' button in the remote control to check the input source set-
A
ting.
73