My Roku Ultra 4670R was working fine until a couple weeks ago. I would turn on the tv via the remote and would open to the Roku home screen. Now when I turn on the TV via the remote it will show the buffering (spinning) and will get stuck until I click on the Home key and the screen goes to the Roku home screen.
When I turn off the TV with the Roku remote I am still in the app I was streaming from. That is what i have been doing since I installed and used the Roku Ultra months ago. When I turn it back on is when I have the issue of it "stuck" buffering until I hit the Screen button. That never happened until recently.