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.

Lastly, if your Mac supports Internet Recovery, then you can use this by holding Option-Command-R at startup instead of just Command-R. This will load the same recovery tools from Apple's servers that ...

If your Recovery HD partition in OS X Lion is missing or not working, then it may be easy to get working with just a few steps. Topher, an avid Mac user for the past 15 years, has been a contributing ...