I just bought a Q900 just 17 days ago and paired it with my existing N850 soundbar. Everything worked fine until I got home today and noticed the sound wasn't coming through the soundbar, I tried to switch the audio output to ARC as I've had to do a few times, but the option just wasn't there. I reset the TV, reset the soundbar, changed the HDMI, verified the input was digital in, unplugged and plugged in just about everything to check. Still nothing. I run my game console through the soundbar, the TV didn't recognize the soundbar but labeled the HDMI as the console and played both video and audio fine.
I called Samsung, they had me do literally everything I listed above again. They also refused to remote into the television because reasons, I guess.
I even went so far as to hook up a different Samsung soundbar that I own to the TV and still nothing, then I took the N850 to a different TV and the ARC works fine. It's a TV issue with this model it seems, and there is no information anywhere about how to fix it, other than getting a new one connect box all together.
Also, I am fully aware that I can connect to this soundbar via wifi, and that's how I have it for the time being. However, you cannot lie to me and claim that it is just as good as ARC because wifi doesn't support atmos which this TV and soundbar both do.
The only thing I can figure is that the ARC functionality just stopped working all together, or that an update messed it up. In any case, Samsung phone support is horrid, so I'm hopeful I can get better results this way.
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