format MacOSX

I'm trying to erase everything but the operating system on an old Mac OS X Version 10.6.8

In the disk utility it will not allow me to format Mac HD??? The options are there but not clickable. The only option it gives is to erase free space. I want to factory restore this. Any ideas?

iMac 21.5″, macOS 10.13

Posted on Oct 30, 2023 4:31 PM

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format MacOSX

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