- #How to make a bootable usb mac osx from install cd how to#
- #How to make a bootable usb mac osx from install cd mac os#
#How to make a bootable usb mac osx from install cd mac os#
Select Mac OS Extended (Journaled) as the "Format".
Rename it Yosemite (or whatever you want). Change the "Partition Layout" to 1 Partition. Select the USB drive (not the partition). Open up Disk Utility and do the following. Step 1: Reformat Your USB Driveįirst, make sure you have a USB flash drive that's at least 8 GBs in size, then mount it. It's a lot more complicated, but gets the job done. If you don't want to use DiskMaker X or Terminal commands, this is another option for you. This could be fairly quickly or very long, depending on your system and USB drive. (You won't visibly see your password typing, but it's happening-believe me.) Type in your admin password to continue and the Enter again. After you get it in there, just hit the Enter key. Note that you should replace the "Yosemite" in "Volumes/Yosemite" with whatever you named your USB drive. sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/Yosemite -applicationpath /Applications/Install\ OS\ X\ Yosemite.app -nointeraction. With your USB drive ready to go, open up Terminal and type (or copy/paste) the following command. #How to make a bootable usb mac osx from install cd how to#
To see how to correctly format your USB drive, please see Step #1 below in the "The Hardest Way" section. Just make sure your USB drive is already formatted correctly before proceeding. If you're more comfortable with Terminal commands, this is the method for you. If it's more toward the latter, you might get a " AppleEvent timed out" error, but it should still work, according to the developer (it worked for me). It could take anywhere from 15 minutes to to 45 minutes to finish, depending on your USB flash drive.
Then just follow the rest of the prompts to start the disk-making process.
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