Since macOS Big Sur (11), injecting VoodooHDA.kext directly from the bootloader fails. The booter (OpenCore AND Clover — same injection engine) cannot link VoodooHDA because its parent classes live in Apple's IOAudioFamily.kext, which is NOT in the boot kernel collection (BootKernelExtensions.kc).
Audio on macOS Tahoe for the Realtek ALC257 behind Intel's Arrow Lake-HX HDA controller (8086:7F50): a patch and build script for VoodooHDA 3.7.0 LE (layout 18, controller-only match, mixer bound checks). Lenovo Legion 5 15IAX10, OpenCore hackintosh.
Working onboard audio fix for macOS 26 Tahoe on a Dell Latitude 7390 hackintosh — VoodooHDA via AuxKC, after AppleHDA removal broke AppleALC. Includes three documented dead ends.
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