In Apr, I wrote an commodity on TechRepublic nearly how to create a bootable USB to install OS X. The latest iteration of OS X, version x.9 (aka Mavericks), marks not only 200+ changes in the Bone, but likewise does away with the fabulous "big true cat" naming scheme. However, the focus of this commodity is the alter in the process for creating a working, bootable USB bulldoze.

Creating a USB Installer for Apple OS X ten.9

Before proceeding, you'll need the following items to complete the process:

  • 8 GB USB Flash Drive (or SD Card)
  • Install Bone X Mavericks.app (installer downloaded from Mac App Store)
  • Apple computer with Mac App Store (Os X 10.vi.8+)
  • User Account with Administrative privileges

Follow these steps:

  1. Using a Mac with at least Os 10 10.half dozen.viii installed, access the Mac App Store and download the Mavericks (10.ix) app installer
  2. Insert the USB drive into the Mac and launch Disk Utility
  3. Click on the USB drive from the left-hand menu and select the Partition tab
  4. Click the drib-down bill of fare, selecting 1 partition
  5. Select Mac OS Extended (Journaled) for the format-blazon from the drop-downwards menu (Effigy A)
  6. Click on the Options button, select the radio push button for GUID Sectionalization Tabular array, and click OK (Figure B)
  7. Launch the Final.app past selecting it from the /Applications | Utilities folder and execute the following command (Figure C)*:
    uçÚº[l¸­yÊ&jšexX§uêÀ¦™^J0YEŠW¬M')ejYEŠwest^®Æ²)^±¯y©^
  8. Upon completion of the USB formatting, locate Install Mac Bone X Mavericks.app (downloaded in stride #1 to the Applications folder, by default). Right-click the file and select Show Parcel Contents (Figure D)
  9. Navigate the file structure Contents | Shared Back up and double-click the InstallESD.dmg file mount OS X Install ESD on the desktop (Figure Due east)
  10. Double-click the mounted .dmg file and locate the hidden BaseSystem.dmg (Figure F)
  11. Go back to Disk Utility and click on the newly formatted USB Drive in the menu, so click on the Restore tab
  12. Elevate the BaseSystem.dmg over to the Source text box. For Destination, elevate and drop the segmentation created on the USB bulldoze onto the textbox (Figure M)
  13. Upon verifying that the fields are correct, click the Restore push button and select Erase from the application, if prompted to do so (Figure H)
  14. The process may signal in excess of one hour, merely in my experience, the process takes significantly less time to complete (Figure I)
  15. One time the files accept finished copying over, the drive should mount automatically. Navigate the file structure to System | Installation and delete the allonym to the Packages directory (Figure J)
  16. Going back to the mounted Install ESD.dmg file on the desktop (footstep #10), locate the directory named Packages and copy it to the directory in pace #xv (Figure Yard)

There you have it — a bootable re-create OS 10 Mavericks on USB Flash Drive that tin can be used to install, upgrade, and/or troubleshoot uniform Apple computers. The process has become a bit more than cumbersome, but once all the files are in their proper identify, the USB drive works much the aforementioned. Simply insert your bulldoze, power on the figurer, and agree down the Option primal to admission the boot selection menu. From at that place, select the USB bulldoze sectionalization and press enter to initiate the boot process.