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Select Save the home folder in a disk image and Click Delete User. Access System Preferences→Users & Groups, and Clock minus button on the bottom in the left panel.
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Unfortunately, you do not address the problem of being unable to download the High Sierra installer from the App Store to a working Mac running under Catalina.
#How to setup a usb boot drive mac sierra how to
First of all, create a new admin account and login with this account. Have read your article on how to get mac OS onto a blank SSL (in my case in a 2011 Mac mini that won’t boot into Recovery mode) with an installer USB drive. There is an easy way to backup each user account on your Mac. Open a new Finder window and click on the drive. If you have more than one user on your Mac, and you’re only interested in backing up your own data, just go one level deeper and select your user account from within the Users folder. Plug the drive into a USB socket (if you have a recent MacBook or MacBook Pro that only has USB-C connectors, you’ll need a USB-C to USB-A adaptor). The bootable USB drive is ready to use How to Boot from the Installer Drive. Now eject the USB drive before removing it from the Mac. It took around 56 mins to complete on Mac Mini 2012 with SSD and 10GB RAM copying to a USB 3.0 drive. Select the USB drive from the list in Disk Utility. Wait for it to be recognized and displayed on the desktop. Each user account contains your Desktop files, documents, downloads, videos, music, and pictures. Make Windows Bootable USB Mac with PassFab 4WinKey. Connect your USB drive to the Mac using the provided USB slots. This will back up your user account, along with any other accounts on the Mac, plus any shared data. When choosing what to backup manually, most importantly look at the Users folder, located by default at Macintosh HD/Users/. So, If you skip this step, you won’t be able to recover your data if something goes wrong. Note: A clean install of macOS Sierra on the startup drive completely erases all data on that drive including all your files (documents, music, movies, pictures, and even apps).