Don't panic; your hardware is likely fine. Learn to master the HDMI handshake.
Your Apple TV and TV are constantly negotiating technical data to ensure a secure connection.
If the TV response times out or HDCP authentication fails, the video signal shuts down completely.
4K HDR at 60Hz demands high-speed data transmission that standard budget cables simply cannot support.
Marketing labels often mislead; ensure your cable is rated for 18Gbps to prevent handshake errors.
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