LG 50PM4700 User Manual page 160

Problem
Image is not on or not clear
when connected to HDMI.
Does not work when USB
storage device is connected.
• Check the HDMIⓇ cable specifications. Use only HDMIⓇ
cable. Other cables may cause images to fade in and
out or not be displayed properly.
• Verify that all cable connections are securely
connected. When connections are not secure, images
may not be properly displayed.
• Verify that the USB device and cable is version 2.0 or
higher.
Solution