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HDMI ARC Connection is Not Working
If you are adding new soundbar or upgrading from another HDMI soundbar, it is highly recommend to follow the instructions to re-establish the HDMI communication.
Note: Most TVs are likely to be stuck with your old soundbar settings if you do not perform an HDMI refresh. This may affect audio performance and connectivity issues such as CEC not functioning.
Establishing new HDMI handshake between TV and soundbar:
Disconnect all the HDMI cables that are connected to the soundbar and TV while they are powered ON
Power OFF both devices
Unplug both devices from the AC outlet
Wait for 5 minutes
Plug both devices back into the AC outlet
Power ON both devices
While both devices are powered ON, connect the HDMI ARC between the TV and the soundbar HDMI 1. Make sure you are using a HDMI 2.0 High Speed cable
8. Click on the following options to get AUDIO setup for various TV brands:
9. Click on the following options to get HDMI-CEC setup for various TV brands:
10. Play content on TV for 5 to 10 minutes to make sure that soundbar audio performs to your expectations before adding another device.
11. Click on the following options to get AUDIO setup for your content devices: