LG M2080DF-PZ Owner's Manual page 139

Only RGB/DVI mode applied
No image is displayed.
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?
There is a problem with PICTURE settings.
When the user changes
the picture settings, the
TV automatically converts
back to the initial settings
after a certain period of
time.
'Unknown Product' message appears when the product is connected.
Did you install the driver?
After-image appears on the product.
After-image appears when
the product is turned off.
■ Adjust brightness and contrast again.
■ 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.
■ The signal cable between PC and product is not connected. Check the
signal cable.
■ Press the 'INPUT' button in the remote control to check the input sig-
nal.
■ 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 Menu, choose OPTION → Choose Mode Setting →
Choose Home use. Now, you have completed switching to the Home
use mode.
■ Install the product driver, which is provided with the product, or down-
load it from the web site. (http://www.lg.com)
■ See if the plug & play function is supported by referring to the video
card user's guide.
■ If you use a fixed image for a long time, the pixels may be damaged
quickly.
Use the screen saver function.
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