OSX: cant create a partition because drive is locked

Posted by Alain on Super User See other posts from Super User or by Alain
Published on 2012-07-16T00:47:18Z Indexed on 2012/10/31 5:09 UTC
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osx

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installation

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partitioning

Problem: I have a USB key with Mountain Lion on it and I want to install it on my macbook pro. I deleted the existing partition on the laptop and wanted to created a new one were to install the OS but cant because everything in the partition tab for the drive is grayed out.

Basically, I can't do anything until I unlock the partition So the question is: how to unlock a partition from disk utility or the command line.

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