@mikebruenjes wrote: So I happened to see this post and it sounded similar: https://us.community.samsung.com/t5/4k-8k-and-Other-TVs/HDMI-CEC-Not-Working-and-HDMI-ARC-Not-Listed-As-An-Audio-Option/m-p/305363#M4888 I guess the issue is with the KS8000 TV and not the soundbar, or maybe it's a Samsung thing because I had a Polk soundbar hooked up to ARC for over 2 years with no issue. I go out and buy a new Samsung soundbar and now I have issues. Anyway, I tried this and it worked. Hopefully, I don't have to do this every month: turn off HDMI-CEC on TV, unplug Power to TV, ensure power is drained from TV (holding power button). Turning off sound device, power on the sound device (which to TV Audio), then turn on the TV, go to the menu, turn on HDMI-CEC and it works. My soundbar stopped outputting sound from tv via hdmi, and this solved it thanks!
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