HELP!!!! Deleted hard drives and can’t boot!

RastaRat03 said:

What can I do now?

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UtterDisbelief said:

Clearly you knew what you were doing when you installed Monterey, so why is installing an earlier, supported version of OS X proving a problem?

Snow Leopard comes on a retail DVD and is the way to go if you wish to restore your iMac to its original state.

Okay, IIRC, if you have so deeply cleaned the main drive that the Recovery partition has gone, you would then put your DVD in the drive and press "C" as the computer reboots. The other way is to hold the "Alt" key as the system boots to bring up the disk selection menu.

You can clear the PRAM to restore defaults by pressing and holding the Option, Command, P, and R buttons during boot.

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RastaRat03 said:

Ok one rude, I actually didn’t know what I was doing and just wanted to try the new update and two I’ve followed the guide on making the usb boot until the configuration because it then says to boot the laptop and use windows network? I don’t know but I just want to install high sierra somehow,I’ve tried to boot into recovery it does nothing new and I have no cd

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UtterDisbelief said:

To boot an iMac from USB the installer files need to be placed on it in a certain way, using the Terminal createinstallmedia command. Doing that on a Windows machine would mean you have to follow @Feartech 's guide instead, but without OpenCore in the hidden EFI partition. Maybe Legacy would work (?):

https://www.tonymacx86.com/threads/...-installer-using-opencore.296375/post-2108796

The problem on a real Mac is the EFI partition as it doesn't use this, so has to find what it needs in the main partition. Hence the trickiness of using Windows.

What or where did you get th ISO image from?

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Feartech said:

what happens when you hold down:
Shift-Option-Command-R
then turn on the mac?

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RastaRat03 said:

hi sorry for the late reply i have followed this but had to stop near the end because i got confused. is this guide to install imac software on a windows computer FOR a windows pc or to install it on a windows pc then put it on a usb and install it on my actual corrupted imac, im looking to follow the second option what should i do? ive used command r,alt and shift,alt,shift and nothing changes. i have a another mac with no corruption, can i use this in anyway to fix the other mac

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