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(In this instance, MyVolume is the name that you used when you formatted the external USB drive in Disk Utility).sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia –volume /Volumes/MyVolume.Enter the following command into the Terminal window:.Before proceeding, make sure that the USB drive is still connected to your Mac. Now that you have downloaded the macOS Monterey installer and properly formatted the removable USB drive, there are just a few steps left in order to create the boot installer. Click the Erase button and wait for the drive to be erased.Under Format, select Mac OS Extended (Journaled).Under Scheme, select GUID Partition Map.In the toolbar at the top, click the Erase button.Select the name of your external USB drive from the sidebar of Disk Utility under the External section.In the event that this is not located in the Applications folder, locate the app and move it to the Applications folder.Locate the Install macOS Monterey “app”.Once the window appears, press CMD + Q on your keyboard to quit the installer.After the download has completed, the macOS Monterey installer will automatically launch.Download the macOS Monterey installer from Apple’s official support website.With that in mind and your USB drive ready to go, here’s how to create a bootable installer:

Otherwise, you might run into problems when going through the necessary steps to downgrade from macOS Ventura to macOS Monterey. Specifically when it comes to the formatting of the drive you are planning to use, it’s important that the drive is formatted for macOS. This drive must also be properly formatted for macOS.The USB drive must have at least 16GB of storage available.However, if you just need to start from scratch, or downgrade from the current macOS Ventura Developer Beta to macOS Monterey, a bootable installer is necessary.īefore getting started, in addition to performing the backup on your Mac, you’ll need to follow these requirements: This might be easier said than done, depending on the current state of the macOS software on your computer. macOS: Enable/Disable System Integrity Protection (SIP)īefore you go through the steps to actually boot Mac from external USB drive, you’ll need to first create a bootable USB drive.How to Use Desk View With iOS 16 and macOS Ventura.

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But it’s important to know that you didn’t just destroy your Mac and that you can get things back in working order with relative ease. Whether you’ve installed the latest macOS Developer Beta, or you accidentally deleted a critical system file, accidents happen. For as incredible as the Mac is, with all of the improvements that Apple continues to make to the platform, there are times where something happens and you are forced to start from scratch.