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arc hdmi no sound

  1. Samsung TV can't send sound to receiver through ARC HDMI?

    Home Theatre Corner
    I just changed a HDMI cable which connects my computer to receiver. It is on BD HDMI input on receiver. Nothing else changed. Before my Samsung TV can send back audio to receiver through HDMI since it has ARC. But now it can't. It can only use TV speakers. I have checked and googled how to set...