What is hdcp?
My Apple TV says it’s not compatible, I need HDCP cable?
Apple TV 3, 8
Question marked as
HDCP is an encryption method for (mainly) HDMI, for commercial content that requests HDCP for their content.
HDCP requires an end-to-end (from decoder to screen) secure digital signal, that can’t be captured or converted.
HDCP will not work with analog converters.
HDCP is not a feature of the HDMI cable. All HDMI cables support HDCP. HDCP is a feature of the devices.
HDCP requires that all devices in between decoder (Apple TV) and screen (TV) also support HDCP.
Please describe your setup for further assistance.