Troubleshooting - LG M3704CJ Owner's Manual

Is the product power cord connected?
Is the power indicator light on?
Power is on, power indicator is
but the screen appears extremely dark.
The power indicator amber?
Does the 'Out of range' message
appear?
Does the 'Check signal cable' message
appear?
'Unknown Product' message appears when the product is connected.
Did you install the driver?
'Key Lock On' message appears.
The 'Key Lock On' message
appears when pressing the Menu
button.

Troubleshooting

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‡ See if the power cord is properly connected to
the outlet.
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Blue
‡ %DFklight may need repair.
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the mouse or press any key.
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‡ 7Ke 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 manual.
* Maximum resolution
RGB : 1920 x 1080 @ 60 Hz
HDMI/DVI : 1920 x 1080 @ 60 Hz
‡ 7Ke signal cable between PC and product is
not connected. Check the signal cable.
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to check the input signal.
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with the product, or download it from the web
site. (http://www.lg.com)
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referring to the video card user manual.
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unintentional OSD setting change due to
careless usage. To unlock the controls,
simultaneously press the Menu button and
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this function using the remote control buttons.
You can set this function in the product only.)
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