Pc Mode - LG M2280D Owner's Manual

36
TROUBLESHOOTING
Problem
No picture when connecting HDMI
Audio Problems
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 picture
TV
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, standby light is off but
the screen appears extremely dark.
Does the 'Invalid format' message
appear?
Does the 'Check signal cable'
message appear?
Is the standby light displaying as
yellow?
y Check that your HDMI cable is High Speed HDMI Cable.
If the HDMI cables are not High Speed HDMI Cable, flickering or no
screen display can result. Please use the High Speed HDMI Cable.
y Press the button.
VOL(+ , -)
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 Use a normal MP3 file
y It means that the TV is currently set to Store Demo mode. To switch
to Home use mode you should do the followings: From the TV Main
menu, choose OPTION
use. Now, you have completed switching to the Home use mode.
y Adjust brightness and contrast again.
y The signal from the PC (Video card) is out of the vertical or horizontal
frequency range of the product. Adjust the frequency range by
referring to the Specifications in this user's guide.
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 If the product is in power saving mode, move the mouse or press any
key.
Resolution
Resolution
Resolution
Choose Initial Setting
Resolution
Choose Home