Connect to your Mac a properly formatted 8GB (or larger) drive, and rename the drive Untitled.Using the createinstallmedia command in Terminal Here are the required steps: (Follow this tutorial to properly format the drive.) Your OS X user account must also have administrator privileges. That drive must also be formatted with a GUID Partition Table. Whichever method you use, you need a Mac-formatted drive (a hard drive, solid-state drive, thumb drive, or USB stick) that’s big enough to hold the installer and all its data-I recommend at least an 8GB flash drive. The Disk Utility-via-Terminal approach is for the shell junkies out there. The Disk Utility method is the way to go for people who are more comfortable in the Finder (though it does require a couple Terminal commands), and it works under Snow Leopard, Lion, Mountain Lion, Mavericks, and Yosemite.

(Note that the createinstallmedia tool doesn’t work under OS X 10.6 Snow Leopard-it requires OS X 10.7 Lion or later.) The createinstallmedia method is the easiest if you’re at all comfortable using Terminal, it’s the approach that I recommend you try first. I’ve come up with three ways you can create a bootable OS X install drive for the Yosemite: using the installer’s built-in createinstallmedia tool using Disk Utility or performing the Disk Utility procedure using Terminal. SuperUser: Create a bootable USB drive from a.Create the Yosemite install drive: The options How to make installation disk/pendrive of Mountain Lion in Windows 7? Ask Question Asked 7 years, 5 months ago. I have: a Mac OS.DMG file Windows 7 OS Is it possible to make installation disk of Mac OS in Windows 7.

I would like to install Mac OS Mountain Lion in my Intel Core i3 processor.

Is there any easy and straight forward way to do this on windows? I got a new SSD and I am prepared to install it but first I need to create a new bootable USB with Mountain Lion on it to begin the process.

I need to install Mountain Lion on my Mac once again as the SSD is garbage.

If you bought a new machine from Apple you have OS X 10.8 already installed – but no back up disk! and since you haven’t bought the OSX Lion 10.8 App from the App store you can’t re-download it – so thats why you have the recovery drive as a partition in your main hard drive, to boot from it you need to restart the machine and when it starts to boot hold down “command” + “r” keys.

How to create bootable usb os x