48
Troubleshooting
$
unintentional OSD setting change due to
careless usage. To unlock the controls,
simultaneously press the Menu button and
Q~
this function using the remote control buttons.
You can set this function in the product only.)
¦The 'Key Lock On' message
appears when pressing the Menu
button.
%
with the product, or download it from the web
site. (http://www.lg.com)
§
referring to the video card user manual.
¦Did you install the driver?
No image is displayed
'Unknown Product' message appears when the product is connected.
'Key Lock On' message appears.
the outlet.
&
%
mouse or press any key.
$
$ Q_
the vertical or horizontal frequency range of the
set. 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
$
connected. Check the signal cable.
;$
the input signal.
¦Is the power cord connected?
¦Is the power indicator light on?
¦Power is on, power indicator is Blue
but the screen appears extremely dark.
¦Is the power indicator amber?
¦Does the 'Out of range' message
appear?
¦Does the 'Check signal cable'
message appear?
Содержание M4720C
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