
Type this in: sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ Yosemite.app -nointeraction If you change this the next step won’t work 3. IMPORTANT – Leave the name as “Untitled”. Ensure that the format is Mac OS Extended (Journaled).Plug the USB Drive in to your Mac and open “Disk Utility” (found under applications / utilities in finder).Prepare a USB Flash Drive (Must be 8Gb or larger) Head over to your Applications folder and check that there is a file which says Install YosemiteĢ. Verify the Installation Files are present After download it will try and install automatically on your Mac. Yosemite can be downloaded directly from Apple Store here.

In this article I will assume that you already have a reasonable grasp of the OSX system and cut out the lengthy text: 1.

There are many ways that you can create a bootable Mavericks USB Drive but this seems to me the far easiest way to do so.
