When I received 10.0.0 on my TCL Roku TV I had two problems:
- Video but no sound (or maybe the other way around) for the Directv I have hooked up to HDMI 1.
- Loss of channel listings in live channel guide
These things are just special purpose computers, and like their big brothers, sometimes a restart will cure lots of ills.
In my case a system restart fixed one of them, but it took a second system restart to fix the other. Don't remember which was which.
Just turning the tv off and on doesn't do it. It has to be a full restart via menu path Settings > System > Power > System restart.
If that doesn't fix it, try pulling the power plug for 30 seconds or so then plugging back in.
Roku Community Streaming Expert
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Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X