This is not a problem of the EFI folder.
I experianced this issue when trying to use "Kext Utility" without having write-access through gatekeeper.
Something has not been modified correctly so system can not be booted anymore.
In my case I performed a complete system restore. :banghead:
Maybe...
Maybe not from You but maybe from others .. so please close, try to do my best with the tool.
Thanks for all Your hints, your fast replies and all communication!
Now ACPI-Errors are gone and 2 more USB-Ports are working with the two files at ZIP attached.
Maybe someone would like to help to get the remaining 4 Ports working?
(please see all Information at Post #1)
Now got Audio working with VoodooHDA drivers over KextBeast.
Used version 2.9.0d10.
P.S.: Tried mirones AppleALC-Patcher (Codec ALC663v1 and ALC663v2 without success; Injected ID 2 or 5; Installed HDAenabler, CodecCommander and HDAdriver kexts)
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