The same issue happened to my remote about two months ago. I just found this forum and hope to find a solution as before the remote work perfectly with the power and volume for the tv. Please advise. I tried disconnecting the device from the tv and setting the remote again and nothing seems to work even after going through all 50 codes.
Same problem here! What the heck. I have 2 Roku Ultras that I have used for at least 2 years; the remotes have always worked fine and controlled the TV volume until last night. Power works and controlling the Roku works. Same thing; all 50 codes nothing worked. Even stranger, I was going to swap the Roku device with another one, but the 2nd Roku is doing the same thing on a different tv! Stranger still, I plugged ANOTHER Roku Ultra, and it does the same thing on both TVs. I noticed that my remote says "Gaming Remote", and I don't see a way to change that and no idea what a Gaming Remote is since I don't use it for any type of game. Seems like Roku pushed an update that broke it to me. I have no remote for the other tv, so this inconvenience makes the remote pretty much useless. Please help because I really don't want to switch to Fire TV.
We are experiencing the same issue. Remote has controlled volume for months. Suddenly last night it stopped. The power button still seems to work, just not volume. Yes we tried all the steps listed above. None of them worked. I've resynced the controller. Unplugged and replugged hdmi. Went through the remote setup in settings. Nothing. Roku 4660x2 remote rc al4 TV sharp lc32q3180u