How to Reformat Macbook Pro from USB
Follow the steps below:
- Create a bootable drive using a USB for OS X Mavericks.
- Plug in your bootable USB drive and Restart your Mac while holding the Option key. Make sure to keep it pressed down!
- When it restarts, you’ll have a few options. Choose your USB Installer.
- Next, select the Disk Utility option.
- In the window, at the top of the left bar, select your Mac’s Main Drive.
- Next to the First Aid button at the top, click the Erase button.
- Now, near the center of the window, select the Format drop-down list and select “Mac OS X Extended (Journaled)” as the type.
- Click Erase (this will erase your main drive) and allow time for the drive to format.
- When it’s finished, close out Disk Utility and select “Install OS X” from the menu.
- Select your main drive and install a brand new OS X Mavericks on it.
Follow the install instructions and enjoy your newly clean-installed OS X Mavericks.
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