Essential Mac OS X tools: NoSleep extension

macosx-nosleep-extension – The MacOS X kernel extension, preventing sleep when you close the lid. – Google Project Hosting.

Very useful, especially when watching a movie on a projector using HDMI directly, instead of using AirPlay with an Apple TV. Thanks to NoSleep, you can close your MBA’s/MBP’s lid but still stream the movie to the projector.

If I were Apple, I’d be a bit embarrassed that such a setting is not already built-in.

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