Troubleshooting - LG 55WV70MD-B Owner's Manual

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TROUBLESHOOTING

TROUBLESHOOTING
No image is displayed
Problem
The product does not power on. y See if the power cord is properly connected to the outlet.
Power is on, but the screen
appears extremely dark.
Does the 'Invalid Format'
message appear?
Does the 'No signal' message
appear?
'Unknown Product' message appears when the product is connected.
Problem
Did you install the driver?
y Adjust brightness and contrast again.
y Backlight may need repair.
y 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/DP : 1920 x 1080(60 Hz)
y The signal cable between PC and product is not connected. Check
the signal cable.
y Press the 'INPUT' menu in the remote Control to check the input
signal.
y See if the plug&play function is supported by referring to the video
card user manual.
Resolution
Resolution