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Hello, I am trying to reinstall MacOS 10.11 El Capitan on my 2008 iMac and USB Boot will not show up. I have the application on its own on a USB drive and nothing shows other than recovery when I hold options on the Mac. I have tried resetting PRAM, and I don't know if there is any other way or if I am doing it wrong. USB drive is GUID Partition Map, formatted in the MacOS Extended (Journaled) form.
Drag-copying the installer only works when there's already an OS on the computer. Click here and create an installation thumbdrive.
(233668)
Drag-copying the installer only works when there's already an OS on the computer. Click here and create an installation thumbdrive.
(233668)
Thanks, its now booting into the installer.
No OS on 2008 iMac and no USB boot works
