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If your Samsung Smart TV isn’t working properly with ARC, you might need to disable HDMI-CEC. To enable HDMI-CEC, access the Samsung Smart TV’s external device manager from the General menu. Once there, turn on Anynet+ (HDMI-CEC). Check whether the error still persists, and if it does, try disabling anynet+. Afterward, re-enable ARC. If you …

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