Oops! You can’t play most protected digital video on an external Mac monitor

We address the frequent questions about problems about streaming or viewing digital video on a Macs with an external monitor or HDTV set.

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Glenn Fleishman’s most recent books include Take Control of Zoom, Second Edition, Take Control of Your M-Series Mac, and Take Control of Securing Your Mac. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.