btaiweb.blogg.se - Erase disk macos

Active internet connection (required by macOS Big Sur for setup).

Full Time Machine backup of all Mac data, or complete data backup using your method of choice.

MacOS Big Sur boot installer drive that has already been created and ready to use.

Mac compatible with macOS Big Sur so that it can run macOS 11.x.Failure to have sufficient backups will result in permanent data loss.Ĭlean installing MacOS Big Sur 11 requires the following: Because it erases the entire hard disk and all data on the Mac, it will cause complete data loss intentionally, so without sufficient backups theīefore proceeding, be certain you have a full backup of the Mac, and any or all important data. A clean install is generally for advanced Mac users only, and is otherwise not recommended unless you’re giving away a Mac or transferring ownership, and have fully backed up your data.