I have an AppleTV4K directly connected to a Samsung TV. Sporadically (3-5/week) I do get the HDCP compliant issue message on my TV when trying to stream Live TV via my TV provider app. my Samsung TV 4K is a 2019 newer model. Here is what I have tried before without any success: tried 3 different high end cables; tried all HDMI ports on my TV More @Wikipedia
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