My LG OLED TV works fine. However, when I select the HDMI to watch on my Roku Ultra, the screen is frozen and pink. I have tried unplugging/replugging the Roku, no change. I have pressed the reset button, no change. I have tried pressing the home button, back button, nothing works, just a frozen pink screen. The TV itself works fine. My Roku Ultra is just a year old. Is that as long as they last??