Hi,
I'm new in mac repair and came to me an imac 21.5 2015 a1418 emc 2889 without efi chip. i'm trying to write and put a new one but it came back with no chime, no image on the screen. i understand from this forum that i have to clean ME. In the thread that is higher in this topic, i found that i have to download the ME region and i don't know where from. Could somebody help me, please, to find a ME Region for my imac or clen my dump for me? Thanks in advance!
First of all, thank you for your answer. Motherboard is 820-00430-A. Bin file is from dr-bios.com. I don't have the original file. This iMac came to me without W25q64FV chip (is missing from the motherboard). Thank you again!
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