Cannot erase or format external samsung ssd with monterey 12.5.1
I have previously formatted and cloned an external samsung ssd and now I want to erase the drive and it fails. Why?
iMac 21.5″, macOS 12.5
Erase and reformat a storage device in Disk Utility on Mac
The very important elements of Formatting the drive are contained in the Image within the supplied link
Side note - the computer will need to started from the Internal Drive to perform this action.
It can not be done if the computer was started from the External Drive that contains Monterey 12.5.1