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There are two possibilities with your Mac. Once the erasing of the hard drive is complete, quit the Disk Utility using the dropdown menu in the upper left corner of the screen to return to the macOS X Utilities window. Step 6: In the Scheme section, select GUID Partition Map. If it is using HFS+, you need to choose the macOS Extended (Journaled) from the format list. Note: If your Mac is using APFS, make sure to choose APFS from the format list.
Big sur mac os how to#
How to Downgrade from macOS Monterey to Big Sur?įollow the methods below to downgrade your macOS 12 Monterey to macOS 11 Big Sur. on your Mac without any assistance from an expert. It will help you easily recover any lost documents, photos, videos, etc. Suppose you don’t use any of the above features and want to proceed with the downgrading procedure, then you keep Stellar Data Recovery Professional for Mac handy. It is suggested that you backup the data using the Time Machine or iCloud features available on your Mac.
Big sur mac os install#
To install the macOS Big Sur, you will need to erase your macOS Monterey. To create a macOS USB installer, you need to download the macOS Big Sur from Apple Store. However, before you proceed to the downgrading procedure and erase the macOS Monterey, you should prepare an external macOS Big Sur USB installer. This is applicable if your Mac came with a macOS other than Big Sur. If you have a Mac that came with macOS Big Sur and you upgraded to Monterey, then this is not needed for you. Create Bootable macOS Big Sur USB Installer
Big sur mac os password#
The firmware password is different from the Apple ID password. You may need to enter the Firmware Password to enable the booting from an external drive.Step 5: Under the Allowed Boot Media section, select the Allow booting from external or removable media option. Choose an account and enter the Admin password.
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Step 4: Enter the macOS password when asked to Authenticate. Step 3: In the macOS Utilities window, select Utilities and choose Startup Security Utility from the menu bar. Step 2: Select a User and enter the Admin password. Step 1: Start your Mac and immediately press and hold the Command + R keys when you see the Apple logo to start your Mac in Recovery Mode. To enable the booting from the external drive option, follow the steps below: You should first ensure that you haven’t disabled the booting from the external drive option on your Mac. Allow Booting from External Media for T2 Chip-powered Mac Prepare your Mac Systemīefore you begin the procedure, you need to ensure the following three things: 1. This post will guide you in detail to move to the lower macOS Big Sur from Monterey. Hence, if you are now missing your old macOS Big Sur for smooth functioning, it is better to downgrade to the older version. Some common problems reported are apps crashing after upgrade, cooling fan of Mac gets noisy, battery drains at an abnormal pace, Mac processing gets slower, apps not working properly and others. However, soon the issues started surfacing on Mac after the upgrade. It was hard to hold the excitement of a new macOS Monterey, and you upgraded to the latest macOS 12 as soon as it was released.