Stuck in Yosemite with OS X Installer Drive and a Missing OS X Mavericks Partition? Here’s the Fix

Some Mac users who partitioned their Macs to dual boot between the beta OS X Yosemite builds and stable OS X Mavericks releases have discovered a disconcerting issue; their Mavericks partition seems to have vanished and been replaced by an “OS X Installer” partition, forcing them to be stuck in OS X Yosemite. The obvious concern is that data loss occurred, but assuming you didn’t accidentally format the Mavericks drive, it has not, instead, the volume is just temporarily missing, having been taken over by the Yosemite Installer.

Have you ever been somewhere with something written in a foreign language and wondered what the heck it said in your own language? Or, have you ever looked at a sign, book, or printed text somewhere, and wished you could instantly translate that something into the language of your choice? With your iPhone and the free Word Lens app, you can, and it kind of works like magic. Yes I know that sounds like hyperbole, but Word Lens is genuinely impressive, and no amount of screen shots or video does the app justice, you really have to see it in action yourself.
Mac users who are dealing with particularly complex or 

Now that OS X Yosemite is in 









