Method 1: Install OS X from USB. Easy to Follow Steps on How To Create a Mac OS X Mavericks USB Boot Disk. How To Create OS X Mavericks Install USB. OS X Mavericks versions: 10.9, 10.9.1, 10.9.2, 10.9.3 10.9.4, 10.9.5 and Yosemite and El Capitan.
OS X Yosemite USB Boot Disk-Watch:
How To Create Mac OS X Yosemite USB Boot Disk - https://youtu.be/Gm-qUPUyVB4 for an IMPORTANT Extra Step.
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Method 1 of 2 :Tutorial On How To Create a Mac OS X Mavericks USB Boot Disk.
Method 2 of 2 :Tutorial On How To Create a Mac OS X Mavericks USB Boot Disk.
Use a small f instead of Capital for the com.apple.finder command (before com.apple.Finder).
The complete one line command:
defaults write com.apple.finder AppleShowAllFiles TRUE
After the download of OS X Mavericks from the Mac App Store is complete, Don't Press Continue but instead quit the install procedure as shown here.
Therefore, to perform a Clean Install of Mavericks on your Mac, we'll need to Create a OS X USB Boot Disk.
Unlike the method used in creating a Mountain Lion USB Boot Disk, Creating a Mavericks USB Boot Disk requires a slightly different approach.
Right Click on the Mavericks Icon and scroll to where it say "Show Package Contents" Now Double-click on the Contents Folder.
Navigate to the SharedSupport Folder
(then Double-click on the SharedSupport Folder)
and double click on the InstallESD.dmg file to mount it to the desktop, the Mounted Disk folder, contains the Packages Folder plus additional Hidden files, The Hidden file we are interested in is named "BaseSystem.dmg", therefore we need to unhide this file,
in order to do so, we'll need to Launch the Terminal Application and enter the following Default Command String to unhide the file and the command string to relaunch Finder.
If yo have entered the command strings correctly, the BaseSystem.dmg file should be visible, we'll come back to this file later.
Next; open Disk Utility.
Now we'll insert the USB Disk, when loaded, and In the Disk Utility window, click on the 16 GigaByte Flash Disk or whatever size you are using then click the Erase Tab,
then the "Erase Button" here to start the erasing process, you will be presented with a confirmation dialogue box, press the Erase button to confirm, the process took about 18 seconds. We'll just time lapse it at this point.
We next need to partition the USB Disk, make sure that you USB Disk is still highlighted now click the Partition Tab. This takes a few seconds to load.
Once loaded, go to Partition Layout and click on the Current Drop-down list, then click on 1 Partition, now click on the Options Button, This will bring up the Partition Options Available. As this is an Intel-based Mac, and by default, the GUID Partition Table button is already selected,
so we just need to press the OK Button and click Apply,
Once the pop-up folder appears and when ready, press the Partition Button,
This will begin to Partition the USB Disk in order for it to auto boot.
The process took about 18 seconds, again, we'll just time lapse it at this point.
Now that we have the USB Disk partitioned correctly, We are ready to copy the unhidden file BaseSystem.dmg onto it.
Now press the Restore Tab, In order to proceed, MAKE SURE that the Untitled 1 Partition is highlighted,
Drag and Drop the BaseSystem.dmg from the Mounted Disk Folder to the Source Area of the Disk Utility window.
While in the Disk Utility window, Click and drag the Untitled 1 Partition to the Destination Area.
Now press the Restore Button to proceed, you will then be presented with a Dialogue folder asking if you are sure,
press the Erase Button when ready, you will finally be presented to enter your Admin details,
enter your name and password and press OK to begin the first part of the USB Mavericks Boot Disk creation.
The process took about five and a half minutes, we'll just time lapse it at this point.
Once created, a pop-up folder will appear, showing the name of the USB Boot disk,
which has been re-named to "OS X Base System", Along with all file and folders associated in it.
Now...For the second and finally part, and in order to complete the creation of Mavericks USB Boot Disk, we need to delete the Alias file named Packages from the USB Boot Disk, the file is located in the "Installation Folder".
So, navigate to the Installation Folder and locate the Packages file and Delete it by moving it to the Trash.
Next, from the mounted Disk folder, copy the Packages Folder by Dragging and Dropping it to the Installation Folder of the USB Boot Disk.
The process took about 18 and a half minutes, yeah...you guessed it...we'll time lapse it at this point.
And that's it, USB Boot Disk is Ready for use......Enjoy!
Let's not forget to re-hide the files in Finder.