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

Roku ultra dark screen

Upgraded to Roku ultra, now my playback is very dark, you can restart Roku and it goes back to normal for a few minutes then returns to a dark state. This is getting very frustrating having a dark screen you can barely see

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