how to do a clean install of macos high sierra

After backing up your computer, launch the macOS installer. You can do this by backing up your Mac using Time Machine or a similar service.

The first step to performing a clean install of macOS Sierra is backing up your computer’s hard drive. READ ALSO: How Do I See Cpu Percentage in Linux? How Do I Do a Clean Install of macOS Sierra? Afterward, you will see the welcome screen, where you can select your language and country. The installer will take a few minutes to complete. Once this is done, you can start the computer. The installer will then create a new partition called macOS Sierra on the drive. Choose the startup drive from the list and click the Erase tab. Choose to format your thumb drive in OS X Extended (Journaled) format.Īfter ensuring that the USB drive contains the macOS Sierra installer, plug it into your Mac. After that, you can format the drive using the Disk Utility program in Applications/Utilities. If you don’t have the disc, you can format the thumb drive with Disk Utility. If you are looking for a way to perform a clean installation of macOS Sierra on a single computer, you can use the Mac App Store to download the installer and convert it to a bootable installation CD. How Do You Do a Clean Install of macOS From USB? How Do I Factory Reset My Macbook Pro with USB?.How Clean Install macOS High Sierra From USB?.How Do I Do a Clean Install of macOS Sierra?.How Do You Do a Clean Install of macOS From USB?.This process will take a few minutes, so leave the terminal running until the process is complete. Once you’ve done this, the installer will create a bootable installer on the USB drive. You’ll need an administrator password to open Terminal, so be prepared to type in this password. The next step in clean installation is to download the macOS Sierra installer package and launch it in Terminal, which you can find in Applications/Utilities. This method can take hours, so it’s a good idea to have a backup before starting.

Alternatively, you can manually restore macOS Sierra from your Time Machine backup or from a USB drive.

Then, select the Install macOS option from the Start menu and choose the drive where you want to install it. In order to install macOS from the disk, you’ll need to format it first. You’ll need to make a backup of the hard drive first.

For a clean install, you’ll need a bootable copy of the macOS Sierra installer. During the installation process, this second disk will serve as the target and be booted up when macOS Sierra boots. This method of installing a new OS makes use of the second disk in the Mac’s boot sequence. If you’ve been thinking about trying out beta software, you’ve probably heard of clean install.

How to do a clean install of macos high sierra