Apple SSD Erase Not Working

rachal1979 wrote:

Trying to downgrade to macOS Catalina from Big Sur

After erasing the Macintosh HD I deleted the Macintosh HD- Data volume and now Macintosh HD is gone. Trying to re create the Macintosh HD so I can reinstall Catalina

It is an Intel MacBook Pro 2020

Revert to previous macOS 

https://support.apple.com/en-za/guide/mac-help/mh15216/10.15/mac/10.15

  How To Downgrade macOS Big Sur To Catalina Or Older ...

https://www.macworld.co.uk/how-to/downgrade-macos-3581872/

Interent Recovery>Disk Utility<View Show all Devices it is here you will erase/reformat the parent drive.

Then you can install the older macOS onto this Drive. Restore you data from backup.

How to reinstall macOS from macOS Recovery - https://support.apple.com/en-us/HT204904

rachal1979 wrote:

I am trying to erase Apple SSD in macOS Utilities. I click on the Apple SSD then erase - change untitled to Macintosh HD and keep the rest as is. When I go to click erase to start process it does not click. What could cause this issue. MacBook Pro 2020

What is your bigger goal here? What is it you are trying to accomplish by erasing the "Apple SSD."

What exact Mac is this?

What exact macOS are you currently running?

please advise