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Sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ OS\ X\ Yosemite.app -nointeraction
#Create bootable mac os x external hard drive how to#
Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Here is a guide on how to create a bootable external Mac hard drive to run macOS from an external hard drive. Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller Sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller After that release that key, the Startup manager will be launched. If you’ve kept older macOS installers in your Applications folder, DiskMaker X asks which version of the operating system you want to use to make a boot disk. As soon as the startup music begins you need to press and keep holding the 'Option' key. Attach the drive to the Mac, make sure that the drive is visible from the Finder (in some cases a drive icon may appear on the Desktop), then launch DiskMaker X 9. Plug your boot-able MacOS Monterey USB Drive into the computer 3. Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/FlashInstaller You have to format the USB drive and insert the proper Operating System, which is OS X. 2 Mac Os Root Mac Os X Install Still Waiting For Root Device. Note that they use the example name FlashInstaller for our USB drive, so if you named your drive something else, use that name. In the Terminal window that opens, enter one of the following commands, depending on which OS X or macOS installer you're working with. Alternatively, enter Terminal into Spotlight Search to quickly start up the utility.