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This will be an interesting postmortem. Perhaps the EFI firmware contained incompatible firmware for this HDMI chip? Or maybe removing it bypasses a buggy bit o
by mmastrac 6y ago
This will be an interesting postmortem. Perhaps the EFI firmware contained incompatible firmware for this HDMI chip? Or maybe removing it bypasses a buggy bit of firmware?
- tpush 6y agoSpeaking of UEFI, does anyone know if Apple still uses UEFI in the DTK or M1 chip Macs?
- Gaelan 6y agoI believe folks have said no.
- madaxe_again 6y agoI’d assume it’s different in the 15” late 2013 machines, as I upgraded today without issue - although there was about a five minute interlude of a completely black screen, during which I can only assume it was doing whatever it does to the IO board that bricks the 13” models.