HT204388: Mac computers: Frequently asked questions about using HDMI
Learn about Mac computers: Frequently asked questions about using HDMI
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All replies
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Helpful answers
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Jul 15, 2016 11:33 AM in response to wilstonewizardby Rysz,Your HDMI cable may not be HDCP-compliant. Try it with a different cable.
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Jul 15, 2016 11:48 AM in response to Ryszby wilstonewizard,Dear Rysz
Thank you for your reply. The HDMI cable is the one Apple supplied as an recommended purchase with the Apple TV.
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Jul 15, 2016 3:46 PM in response to wilstonewizardby BobTheFisherman,https://en.wikipedia.org/wiki/High-bandwidth_Digital_Content_Protection
Maybe the video is HDCP protected and can't be played on the external device.