remove data from HD running Catalina

joyjoy1954 wrote:

I want to remove everything from my internal HD and start fresh.

How to erase a disk for Mac - https://support.apple.com/en-us/HT208496

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

joyjoy1954 wrote:

I need to remove the data and partitions from my HD running Catalina. How go I go about it?

to what end?

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