If you’re having problems with your computer, check out our guide on how to factory reset a Mac.The installer for macOS Monterey, macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra downloads to your Applications folder as an app named Install macOS. Now that you know how to make a bootable USB on a Mac, you can use it to install an OS on a computer without having to download it from the App Store. Finally, quit Terminal and eject the USB.If you open the drive in Finder, you will see the installer. The USB will have the same name as the installer you downloaded. When Terminal says the process is done, that means the drive has been created.
This will start the bootable drive creation process. Be sure to check the name and path of your USB key before pressing the key. Hit the Y key on your keyboard when prompted.Note: Terminal does not show the characters as you’re typing in the password.
Use the same password you use to sign in to your Mac. When prompted, enter your admin password and then hit Enter on your keyboard.Hit Enter on your keyboard after typing in the command.High Sierra sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyUSB Mojave sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/MyUSB You need to replace “ MyUSB” with the name of your USB drive, or you can rename your drive “ MyUSB.” You can find the name of your USB drive in the left sidebar of a Finder window.Ĭatalina sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/MyUSB Type in the following commands, depending on your version of macOS.Open a Finder window and go to Applications.If you want to find out how to format your hard drive for Mac, check out our guide here.
You will also have to format your disk as Mac OS Extended. Note: If your USB drive is not blank, the contents will be completely erased in the next steps.