Failed upgrade on Mac Mini

Started by romeyn, February 12, 2017, 04:51:17 PM

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Franco, I just burned the second image you posted and my Mini won't recognize it as a boot device.  I'm going to try the first one now.

The other one boots to a menu with two blank choices "1." and "2." with a prompt to "Select CD-ROM Type:"  But I can't type anything or select anything.

That's the BIOS one. It doesn't recognize the USB keyboard.
Mac only has EFI or UEFI.

Hobbyist at home, sysadmin at work. Sometimes the first is mixed with the second.