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How to wipe mac clean and reinstall os how to#
How to wipe mac clean and reinstall os install#
How to wipe mac clean and reinstall os password#

Select your Mac internal hard drive and click Erase to clean the entire disk up for macOS Monterey installation.Press and hold Option key until you are prompted to enter the password, input it to continue.Then check before the box No Security and Allow booting from external or removable media, click the Close button to save the settings.After you have entered the Recovery Mode, click on Utilities>Startup Security Utility.Press and hold Command+R, you will see the apple logo and then the interface prompting you to enter password.Adjust Startup Security Options to Enable Booting from USB

How to wipe mac clean and reinstall os password#

Back in the Terminal interface, press Return and enter your password to run the command.

Now, connect your USB to Mac, open Disk Utility, click on External>USB Drive>Find the name in Mount Point, and input to replace MyVolume in Terminal.

You need to replace MyVolume with the name of your USB drive, check Step 4.

Copy and paste the command line “sudo /Applications/Install\ macOS\ 12\ Beta.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume” in Terminal.

Run Terminal app in Finder>Application.

First, download the macOS Monterey beta version to your Mac here.

Create A Bootable Installer for macOS Monterey on USB

Click on Apple menu>System Preferences>iCloud.

Click on Apple menu>System Preferences>Time Machine.

Connect the external drive to your Mac.

Back up all files to external drive via TimeMachine

How to wipe mac clean and reinstall os install#

There are 3 steps to clean install macOS, the first, also the most important step is always to back up your files to external hard drive or cloud-based accounts.

How to wipe mac clean and reinstall os how to#

How to Clean Install macOS Monterey on Mac from Bootable USB? When clean install macOS, we are often recommended to install from a bootable USB, which is able to install the OS from scratch, especially in the case that our current OS runs slowly/improperly, or you want to install macOS Monterey on different devices. So, make sure at least 16 GB available on your hard drive to clean install this new version.Īlso, prepare 2 external drives, one to back up files, the other one to create the bootable installer (at least 16GB).

The installer of macOS Monterey is about 12GB, but you still need extra space to get it work properly and leave enough space to install some important apps on your Mac to check if your workflow can be elevated efficiently. Not all Apple laptop and desktop can have a clean install of macOS 12, Monterey can run on following models: Requirements to Clean Install macOS Monterey

When to Clean Install Official Version of macOS Monterey?.

What if Files Lost after Installing macOS Monterey?.

How to Clean Install macOS Monterey on Mac from Bootable USB.Requirements to Clean Install macOS Monterey.