instantkvm.blogg.se

Restore data using the method of your choice.Follow the prompts, and install on Macintosh HD.

If “Erase Volume Group” is shown, use that instead. Click Erase, and input the following exactly: (If you cannot select erase on the main hard drive, erase the "Container" or “Macintosh HD”.).This will either be the top, non indented hard drive. Select "View" in the toolbar -> "Show All Devices".Once you are in macOS Recovery, verify you are connected to WiFi in the top right corner.Turn on the Mac, (if off) and immediately press and hold Option + Command + R until you see a spinning globe.So, you need to erase the disk, install macOS Big Sur, then transfer data manually, or with Migration Assistant/Time Machine restore. Not being able to use the "Restore" feature is a known issue in macOS Big Sur. A "seal" is part of the Signed System Volume (SSV) in macOS Big Sur.