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by escobar 3755 days ago
The whole "old installer" and "bootable disk" has been a pain-point since 10.8 for me. I have done 4 or 5 clean installs for friends in the last 6 months, and I tried to make a 10.10 or 10.11 bootable USB... no go - each time, a new issue.

I have ended up every time using my older 10.8 (ML) install USB every time, then just firing off the free App Store upgrade to 10.11.

1 comments

In newer Mac's (2012 onward IIRC) you can just boot into a net installer, and it goes and fetches the installer from the internet before re-installing.
The main reason I don't do this is because I'm often installing the OS to a brand new (blank) drive that has absolutely no recovery on it.
It is part of the ROM. It can be done with a blank drive.

http://www.macrumors.com/2011/07/20/internet-recovery-lets-n...

So the drive doesn't even have recovery on it.

What happens if no internet connection is available?