Make sure the cable connectors are firmly locked into the ports of the source and display devices. See the pictures below:
Make sure the HDMI connector marked as "SOURCE" is connected to the port of the source device and the HDMI connector marked as "DISPLAY" is connected to the port of the display device.
Sometimes there will be no signal because of the HDMI handshaking issue. You can try the following to trigger the HDMI handshaking:
While the source and display devices are turned on, try unplug and plug in the source connector to use the hot plug detection to trigger the HDMI handshaking.
If you still cannot fix the issue, please contact our service hotline: 5100 3372.