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Level 1

4 points

I just erased my hard drive on Imac ( mid 2011). How do I install OS?

Need help on reinstalling os after erasing the HD

iMac 21.5″, macOS 10.13

Posted on Dec 20, 2020 9:51 AM

Top-ranking reply

Level 9

60,572 points

Posted on Dec 20, 2020 4:36 PM

If this iMac had macOS 10.12.6 or 10.13 installed at some point, then try booting into Internet Recovery Mode to access the online macOS installer:

Otherwise, if you have access to another Mac which is compatible with macOS 10.11 or 10.13, then you can create a bootable macOS USB installer:

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