A major feature that debuted in Lion (OS X 10.7) and continues in Mountain Lion (OS X 10.8) is one I hope you’ll never need to use: recovery mode, officially called OS X Recovery. (It was called Lion ...

In the event of a serious problem with your Mac, you may need to reinstall your Mac operating system. There’s a simple way to do this using your Mac Recovery partition or via Mac Internet Recovery.

I am trying to perform an Internet Recovery on a friend's iMac. Unfortunately, my internet connection is PPPoE which Apple's Internet Recovery does not work with. I'm had / have PPPOE and it works for ...