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How to Create a Mac OSX Mavericks USB Installation Drive

October 30, 2013 7 comments
  1. Insert a USB drive that is 8GB or larger and open Disk Utility.
  2. Select your drive in the sidebar and click on the Erase tab.
    Format the drive as “Mac OS Extended (Journaled)” and name
    the drive “Untitled.”
  3. Click the Erase button and wait for Disk Utility to finish.
  4. Once it has finished, close Disk Utility and open up a Terminal
    window. Copy and paste the following command into the Terminal and press enter:
  5. sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ Mavericks.app -nointeraction

    The process should take approximately 20 minutes. Do not cancel it or eject your USB drive during this process. Once it has finished, you should receive a message stating the process is finished. You now have a Mac OSX Mavericks USB installation drive that you can use for clean installations or troubleshooting.