How to format and install new mac os
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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. DMG is also referred to as the Apples equivalent to MSI files in Windows PC. Then press the Erase button and set a password for the encrypted partition. Select the Mac OS Extended (Encrypted) format under the format list.
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In the Disk Utility window, specify the drive that you want to delete and click on the Erase option.
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First of all, create a new admin account and login with this account. When the OS X utility window appears on the screen, choose the Disk Utility option. Open Disk Utility>Erase and click on the new HDD and Format it to Mac OS Extended (Journaled). There is an easy way to backup each user account on your Mac. Put the new HDD in an enclosure and attach it to your MBP. 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. Each user account contains your Desktop files, documents, downloads, videos, music, and pictures. This will back up your user account, along with any other accounts on the Mac, plus any shared data. Choose to boot up from your external USB installer from the selection screen. Your Mac installs macOS or OS X from the USB installer. Click ‘Install macOS’ and select your hard drive as the destination.
#How to format and install new mac os how to#
This article explains how to perform a clean install of OS X El. If you haven’t done so already, follow these instructions to format your hard drive to work with macOS or OS X. After the download is done, it will install the fresh version of the the macOS operating system and you can carry on with the set-up. Remember you need to be connected to WiFi as it will download a fresh version of macOS Catalina.
#How to format and install new mac os mac os x#
Confirm Mac OS X Extended (Journaled) is selected. Finally, go back to the main macOS Utilities folder and click on Reinstall macOS. If installing to startup drive, select Disk Utility > Continue. When choosing what to backup manually, most importantly look at the Users folder, located by default at Macintosh HD/Users/. Select the installer on the USB drive and press Return. 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).