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Optiplex 3040: Realtek ALC255 audio with Sierra


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    BIOS: 1.3.5
    Chipset: Intel 110 Skylake PCH-H (100 Series/C230)
    CPU: Intel quad-core Skylake i5-6500 @3.2GHz (Turbo boost to 3.6GHz)
    Graphics: Intel HD 530 (Skylake-S GT2, 8086:1912)
    RAM: 8GB DDR3-1600
    Storage: SATA III 128GB SSD
    Audio: Intel HDA based on Realtek ALC255 codec (10EC:0255)
    LAN: RealTek RTL8168/8111 Gigabit Ethernet (10EC:8168)
    USB: 4 x USB2.0/ 4 x USB3.0 ports

I used kext from this post


But it does not load on Sierra 10.12.0

It shows error:

Executable file doesn't contain kernel extension code (no kmod_info symbol or bad Mach-O layout).:	1

Only mention of this error was some bug in 10.6


Any ideas?



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