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How to create bootable removable disk for clean installation of Apple OS X 10.9 Mavericks

diskmaker xThe easiest way to download and install the latest Apple OS X 10.9 Mavericks OS upgrade is to simply visit the Mac Appstore from your Mac and click upgrade, however if you want to perform a clean installation (format the old setup and install fresh) you will need to create a bootable removable disk drive as shown ahead.

OS X Mavericks

We will be using a simple to use GUI application named DiskMaker X to build a bootable disk drive from Mac OS X installation application downloaded from Apple Macstore (or any other source). As soon as you launch DiskMaker X, the application automatically finds the OS X Install program and proposes to build a DVD or create a bootable install disk as instructed below.

  1. Download the OS X 10.9 installer from any one of the links provided at - Extract the "Install OS X Mavericks" on desktop.
  2. Install OS X
  3. Download the Diskmaker X application from -, and launch it.
  4. Diskmaker X
  5. When started Diskmaker X will prompt you to download the latest "OS X" version which we have already done in step one above, so click "not Now".
  6. Diskmaker X
  7. Simply follow the on-screen instructions now to complete the process.
  8. Diskmaker X
    Diskmaker X
    Diskmaker X
    Diskmaker X
    Diskmaker X
  9. Using the created bootable media you can clean format and upgrade to OS X 10.9 Mavericks.
  10. Apple OS X 10.9 Mavericks


Another way is to extract the BaseSystem.dmg from the downloadable dmg and write that to pen drive or Dvd using the disk utility.

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