How to format Hard Drive and reinstall Catalina from USB

time-machine usb install hard-drive

Thanks everyone. I reformatted the drive and reinstalled and now I am in the middle of a Time Machine recovery. Cheers gents you are the best.


Your situation doesn't entirely makes sense to me (but maybe I'm reading too much into it). You need zero space and zero functioning drive to boot to Internet recovery. Since you mentioned reformatting as a solution. I wanted to share the official steps for an erase install (for the curious)

  • https://support.apple.com/en-us/HT201314 (recovery)
  • https://support.apple.com/en-us/HT208496 (erase)

If you like more narrative, there are few technical writers better than Howard Oakley. Here is his best method for Catalina macOS erasure:

  • https://eclecticlight.co/2020/08/03/how-should-you-clean-re-install-catalina/

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