Playback Issues - Audio/Video & Power

Help with audio & video playback issues, TV display type recognition & compatibility, HDCP messages, troubleshooting playback errors, advertisements, and resolving power issues.
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Level 7

Screen went fuzzy and controller not working

I just tried to use my Roku and loaded up the Disney+ app froze. Then the screen went fuzzy and it went back to the home screen for the Roku. After that the controller stopped working too. Now it just flashes out between the fuzzy and main screen.
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