So, I google this and, lo and behold, this is a problem with Roku that is a year+ old.
The tv (TCL) has Roku built into it. Suddenly, within the past 2 days, the tv just freezes, shuts off, and reboots. Constantly.
I've done everything suggested except a factory reset (many comments state it doesn't work anyway). I've unplugged. I've updated system. I cleared the cache that supposedly isn't present (which actually worked... for ONE DAY).
Anyone actually had this and fixed it?
Because if I have to buy a new tv, it won't be a TCL and it won't have Roku on it.