I have been having issues with my Samsung 65" QLED TV not outputting audio to my Yamaha receiver for a while. I remember it working before and suddenly stopped working. No matter what I tried, it didn't help. I was looking at another thread on this site about someone using ALL HDMI ports and ARC not working due to that. I wasn't using all the HDMI ports but I had an old laptop always connected to my HDMI and as soon as I removed the laptop HDMI cable, ARC started working again!!!
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