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49
Troubleshooting
• See if the power cord is properly connected to
the outlet.
• See if the power switch is turned on.
• May need service.
• Adjust brightness and contrast again.
• Backlight may need repair.
• If the product is in power saving mode, move
the mouse or press any key.
• Turn both devices off and then back on.
• 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 manual.
* Maximum resolution
RGB : 1920 x 1080 @ 60 Hz
HDMI/DVI : 1920 x 1080 @ 60 Hz
• The signal cable between PC and product is
not connected. Check the signal cable.
• Press the 'INPUT' menu in the remote Control
to check the input signal.
• The control locking function prevents
unintentional OSD setting change due to
careless usage. To unlock the controls,
simultaneously press the Menu button and
►button for several seconds. (You cannot set
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.
• Install the product driver, which is provided
with the product, or download it from the web
site. (http://www.lg.com)
• See if the plug&play function is supported by
referring to the video card user manual.
●
Did you install the driver?
● Is the product power cord connected?
●
Is the power indicator light on?
●
Power is on, power indicator is
Blue
but the screen appears extremely dark.
● The power indicator amber?
● Does the 'Out of range' message
appear?
● Does the 'Check signal cable' message
appear?
No image is displayed
'Unknown Product' message appears when the product is connected.
'Key Lock On' message appears.
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