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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 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
M2901S RGB : 1360 x 768 @ 60 Hz
HDMI/DVI : 1360 x 768 @ 60 Hz
M3801S 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 'SOURCE' menu in the remote Control to
check the input signal.
●
Is the product power cord connected?
●
Is the power indicator light on?
●
Power is on, power indicator is green but the
screen appears extremely dark.
●
The power indicator Red?
●
Does the 'Out of range' message appear?
●
Does the 'no signal' message appear?
No image is displayed
• Install the product driver, which is provided with the
product, or download it from the web site. (http://www.
lg.com)
● Did you install the driver?
'Unknown Product' message appears when the product is connected.