Troubleshooting - LG 49VL7D Owner's Manual

TROUBLESHOOTING

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Problem
Is the product power cord connected?
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?
See if the power cord is properly connected to the outlet.
y
Adjust brightness and contrast again.
y
Backlight may need repair.
y
The signal from the PC (graphics card) is out of the vertical or
y
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-D : 1920 x 1080 @ 60 Hz
The signal cable between PC and product is not connected.
y
Check the signal cable.
Access the input menu to check the input signal.
y
See if the Plug and Play function is supported by referring to the
y
graphics card user manual.
Resolution
Resolution
19