With the final build of OS X Mavericks, Apple has changed the way users can create a custom USB installer; the previous method no longer works. Here’s how to create an OS X Mavericks USB Installer.
First, download the full version of Mavericks from the Mac App Store, even if you already have it installed on your Mac. Downloading it again will place the install app in your Applications folder. It will also auto-launch after downloading and ask you to begin the installation. Don’t, just close the window.
Next, insert a USB drive that’s at least 8GB. Open Disk Utility and erase the drive using “Mac OS Extended (Journaled)” as the format type and “Untitled” as the name. Click Erase and wait for the process to complete.
Once the erase process is completed, close Disk Utility and open Terminal. Copy and paste the following command (via MacRumors forum user tywebb13) and press Return to execute it:
sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ Mavericks.app --nointeraction
You’ll need to enter an admin password to start the command.
The copying process will take 15 to 30 minutes depending on the speed of your USB drive. Once it’s done, you’re free to use the drive as a bootable Mavericks installer.
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6 thoughts on “How to Create a USB Installer for OS X Mavericks”
“sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia –volume /Volumes/Untitled –applicationpath /Applications/Install OS X Mavericks.app –nointeraction”
When with the line can create the file .iso ?
Only works with usb key ?
Not working with a creating a image.dmg
Thanks
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