How to create a bootable USB to install OS X 10.9 Mavericks

This is how to simply and quickly create the setup files of Mac OS X Mavericks 10.9 on USB with the built-in tolls in Mac. With setup files of Mac OS X Mavericks 10.9 on USB, you can easily install Mac OS X 10.9 without downloading the setup packages from internet and all installation process can be done offline.

Using setup files of Mac OS X Mavericks 10.9 on USB, the Mac computer can be wholly and easily re-installed and it helps computer’s operation stabilized and smoothly run as well as to reduce overheat and save battery.

The advantage of using Mac OS X Mavericks 10.9 setup file on USB is to shorten the installation duration because you will not have to spend time to download this setup package from internet and it can be easily installed offline.

To create the setup files of Mac OS X Mavericks 10.9 on USB, you must have a USB with available volume of about 8GBs. The next step is to download setup file of Mac OS X Mavericks 10.9 in here.

Method 1: Use Terminal to create the automatic setup files

After finishing download, the default setup files of MacOS X Mavericks 10.9 will be located in folder Applications. Open the tool Terminal and type the followings:

sudo /Applications/Install\ OS\ X\ --volume /Volumes/untitled --applicationpath /Applications/Install\ OS\ X\ --nointeraction

Note: Change /Volumes/untitled by name of USB, if you have formatted your USB before using and did not change the USB name, just leave it as default.

The application will require password, insert your password then press Enter. Terminal apps will appear as below:

Wait for about 5 minutes for the system to complete creating the setup files.

Then, it’s done.

Method 2: Using Disk Utility to create setup file.

After downloading the setup file, you click the right mouse button on it and select “Show Package Contents”.

Next, choose Contents -> Shared Support -> double-click on the file InstallESD.dmg to mount such file into a virtual drive.

By this method, you need to make the hidden files available to manipulate, open Terminal and run the following command below:

defaults write AppleShowAllFiles -bool YES;\killall Finder;

Open Disk Utility, choose Restore tab and follow these steps:

  • Source: press Browse then find the BaseSystem.dmg file (if not found, drag such file into Source box)
  • Destination: click right mouse button into USB to allocate the movable hard drive which you want to create the setup file on, then choose Set as destination

Press Restore and wait (for about 1-2 minutes).

After completion of Restore process, open USB, you will see the files as below:

Choose System -> Installation -> Delete Packages folder (alias).

Then, access to the above-mentioned mount drive, copy and paste the whole Packages folder into the same location of the deleted alias file.

So far, the preparation for USB containing the setup files of Mac OS X Mavericks 10.9 is completed. With this setup file of Mac OS X Mavericks 10.9 on USB, if you want to re-install Mac OS X 10.9, just restart your computer and hold Alt button (option) for installation.

Hope you succeed with that!