Getting Under the Hood
   Open Disk Utility from within OS X Mountain Lion’s recovery mode
   Use Disk Utility to search for and resolve problems
   Format and partition disks
   Burn CDs or DVDs of disk images
Sometimes to resolve problems, you just can’t avoid getting your hands dirty. If your car is having problems starting up, you may have to get under the hood to check things out if you’ve already tried and failed to start it by turning the ignition switch over and over again. Getting under your Mac’s “hood” usually means bringing out the Disk Utility program to examine your hard drives and repair any problems that may be found. ...

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