Pc Mode - LG M2250D Owner's Manual

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TROUBLESHOOTING
Problem
No picture when connecting HDMI
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 'Invalid format'
message appear?
Does the 'Check signal cable'
message appear?
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
(+ , -)
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 : Dolby Digital, 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 Mode Setting →
Choose Home 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.
Resolution
Resolution
button , button.
or VOL ( )
Resolution
Resolution