HBO Max stopped working today on my AppleTV 4k. It gave a random HDCP error and now it only plays audio. Reboot AND reinstalling the app did not fix it. : r/HBOMAX
Review: Belkin Ultra HD High Speed HDMI 2.1 Cable -- fix for HDCP error on Apple TV 4K - iPhone J.D.
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New HDCP error message. : r/appletv
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How to fix Hdcp error?
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