How to fix HDCP errors with external monitors in OS X

Macworld
Mar 14, 2016, 7:00 am526 pts
Oren Wolfe wrote in to ask about a video playback problem: Why is my 2011 Mac mini unable to play HD movies on my HP Z27 (known to be HDCP compliant) display? Why is OS X not compliant with HDCP? HDCP (High-Bandwidth Digital Content Protection) is the digital-rights management (DRM) protection protocol that’s…

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