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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 set 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
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
• The signal cable between PC and set is not
connected. Check the signal cable.
• Press INPUT on the remote control to check
the input signal.
• The control locking function prevents
unintentional OSD changes due to careless
usage. To unlock the controls, simultaneously
press MENU and ► for several seconds. (You
cannot set this function using the remote
control. You can set this function on the set
only.)
● The 'Key Lock On' message
appears when pressing MENU.
• Install the television driver provided with the
television, or download it from http://www.lg.
com.
• See if the plug & play function is supported
by referring to your video card user manual.
●
Did you install the driver?
● 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?
No Image is Displayed
'Unknown Set' Message Appears When the Television is Connected
'Key Lock On' Message Appears