Oops! You can't play most protected digital video on an external Mac monitor<article>
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Many years ago, High-Bandwidth Digital Content Protection (HDCP) was born because the film industry freaked out over releasing digital movies that would flow digitally—rather than through analog conversion—across a cable to a monitor or television. The standard requires a cryptographic handshake between the software in a dedicated player or on a computer or mobile device and the display. Without that handshake, no video would flow.</p><p>
I wrote about HDCP
most recently in March, offering a variety of troubleshooting advice for people trying to sort out why their software on a Mac wouldn’t allow them to playback any video on a connected display, or why they received a warning about degraded content because an HDCP handshake wasn’t happening.</p><p class="jumpTag"><a href="/article/3116414/macs/oops-you-cant-play-most-protected-digital-video-on-an-external-mac-monitor.html#jump">To read this article in full or to leave a comment, please click here[/url]</p></section></article>
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Oops! You can't play most protected digital video on an external Mac monitor