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E6540: OC EFI for Catalina 10.15.7


JackFromVietNam

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I have installed catalina 10.15.7, can I use the EFI directory posted for Big Sur in this thread to update me? Because LAN, keyboard, trackpad, USB 3.0 port is not working at this time. I just have the USB 2.0 port in the back working. I try to use Hackintool or Kext Utility to add all kext but it fails. Any advice for me at this time? Thanks for your answer.

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