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

HDMI warning

I have a roku premier. After using it for years, all of a sudden I am getting the HDMI warning to use a HDMI 2.2 cable. 

All my roku channels and Amazon for example have the audio out of sync. 

I do not have a 4K TV, why am I getting the warning now? I have tried a 4K cable. It does fix the problem. 

I lowered the tv resolution to 720. The picture quality is poor, the audio does sync though. I want my HD feed back. 

I can’t reach tech support, I feel screwed to have to down grade my resolution. 

Does any one have idea how to fix this resolution. Do all the Roku’s have this problem now? 

I logged out of Amazon and logged in again, that worked for one day

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