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

No video only sound with purple tint screen.

Roku 4 I've had for a couple years with no problems until the past few days . Any app I choose only has sound with no picture only purple screen. Unplugged it all night , still no picture .

 

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