LG Electronics M2280DF Computer Monitor User Manual


 
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APPENDIX
No image is displayed.
Power is on, power indictor
is blue but the screen
appears extremely dark.
Adjust brightness and contrast again.
Does the ‘Invalid format’
message appear?
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.
Does the ‘Check signal
cable’ message appear?
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.
Only PC mode applied
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.
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.
‘Unknown Product’ message appears when the product is connected.
Did you install the driver?
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.
After-image appears on the product.
After-image appears when
the product is turned off.
If you use a fixed image for a long time, the pixels may be damaged
quickly.
Use the screen saver function.