820-3228-B - bios file

Palhano

Member
Customer shut down Mac on firmware update. The MacMini's LED flashes fast about 5 times and then stays on. But without chime or video.

I can't find a BIOS file for this mode. Someone has?
 

Palhano

Member
Perfect! I will test and give feedback!

I tried with a file that I managed, the Mac turned on again, but when it restarts, it doesn't come back! need to turn off the button and turn it on again!
 

Palhano

Member
Googling, I learned how to get the EFI file out of the macOs installer! I found out that this macmini 6.2 has no EFI file! so i got file from 6.1 (820-3227), mac turned on, but same problem when restarting!
 
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