Upon verifying that the fields are correct, click the Restore button and select Erase from the application, if prompted to do so ( Figure H).For Destination, drag and drop the partition created on the USB drive onto the textbox ( Figure G) Drag the BaseSystem.dmg over to the Source text box.Go back to Disk Utility and click on the newly formatted USB Drive in the menu, then click on the Restore tab.dmg file and locate the hidden BaseSystem.dmg ( Figure F) Navigate the file structure Contents | Shared Support and double-click the InstallESD.dmg file mount OS X Install ESD on the desktop ( Figure E).Right-click the file and select Show Package Contents ( Figure D)
Install OS X Mavericks.app (installer downloaded from Mac App Store).Creating a USB Installer for Apple OS X 10.9īefore proceeding, you'll need the following items to complete the process: However, the focus of this article is the change in the process for creating a working, bootable USB drive. The latest iteration of OS X, version 10.9 (aka Mavericks), marks not only 200+ changes in the OS, but also does away with the fabled "big cat" naming scheme.
In April, I wrote an article on TechRepublic about how to create a bootable USB to install OS X.