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nallenapple Author

Level 1

8 points

Access denied to Reinstall Big Sur

I am trying to reinstall Big Sur after erasing my HD. If I try and install to Macintosh - HD, I get an error message to say Permission Denied. But if I try to reinstall to Macintosh - HD Data it will proceed. It is recommended to install on Macintosh - HD. Does anyone know why I am getting Permission Denied?

Thanks

Posted on May 19, 2021 4:15 AM

Top-ranking reply

Jack-19

Level 8

46,056 points

Posted on May 19, 2021 4:20 AM

It appears you erased your disk incorrectly. Please follow the steps:

Go to Disk Utility.
Select "View" in the toolbar —> "Show All Devices".
Select your main hard drive or SSD. This will be the top, non indented hard drive.
Click Erase, and input the following exactly: (If you cannot select erase on the main hard drive, erase the "Container" or “Macintosh HD”.)
Name: Macintosh HD
Format: APFS
Scheme: GUID Partition Map (if shown)
Click Erase. If “Erase Volume Group” is shown, use that instead.
Quit Disk Utility
Go to the reinstall macOS app.
Follow the prompts, and install on Macintosh HD.

Cheers,

Jack

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Access denied to Reinstall Big Sur

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