To continue with the series, head to the next chapter where we boot your new Mac with the flash drive we created with OS X Mavericks. Take a break.Ĭongratulations, you’re now on your way to a faster, cleaner Mac.
WARNING: This is where the magic happens! Once you click Erase, it’ll start erasing. The middle option erases over the content three times. I chose the middle option because I want it cleaned up as much as possible, but don’t mind if some files remain (the less secure, the faster the erase process). If you’re selling your computer, drag the slider to the far right (Overwritten 7 times!). Choose how secure you want the hard drive by clicking Security Options. Essentially, Erase Free Spaceoverwrites and unused space (not the master content itself). Running it after the next steps will waste your time. If you really want to delete as much content as possible, run Erase Free Space before you finish the steps. Name can remain what it is or you can change it. Under Format, choose Mac OS Extended (Journaled). You will see your hard drive name listed twice. Be sure all your external hard drives are unplugged from your Mac. Go to Applications ›› Utilities ›› Disk Utility. Hold the keys together for a bit and you’ll be taken to the OSX Utilities screen. Make sure you do this before you hear the startup sound. Restart and quickly press the CMD and the R keys together. But you’ve backed up your data, you’ve got your boot disk, so you’re ready to go. But the reason why you’re doing this is because you’ve gummed up the hard drive and you want it to work better. You’ll have a full copy of your data in the event something goes wrong. If you haven’t read or listened to my post on backing up Macbook Pro to Time Machine, please do so. 
WARNING: If you haven’t already backed up your data, it’s imperative you do so. Lets get started and erase all that precious data. It’s time to erase all of your data from your Macbook Pro (including all the files that are guilty of slowing it down!) In the last chapter, I showed you how to create an OS X Mavericks boot drive so you can bring your Macbook Pro back to life once it’s wiped completely clean of its contents. You can always refer back to the table of contents to follow the entire process. Note: This post is part of the the series: Reformat Macbook Pro to make brand new.
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