For those who insist on MultiBeast: Ensure you are on , SIP disabled ( 0x67 ), EFI partitions mounted, and your High Sierra is installed on a HFS+ drive, not APFS. If you follow the steps above—especially the manual kext injection—you will bypass the failed installation and finally boot a stable Hackintosh.
If MultiBeast still fails after all this, your EFI folder or DSDT may have deeper issues. Post your exact hardware + MultiBeast version on tonymacx86 or r/hackintosh.
Use a tool like or EFI Mounter v3 to manually mount your drive's EFI partition before running MultiBeast. 🚀 The Pro Move: Moving Beyond MultiBeast multibeast high sierra installation failed
Before fixing the error, you must understand its anatomy. High Sierra was a transitional macOS version. The key change was the introduction of for SSDs.
Sometimes MultiBeast fails because it can't mount the EFI partition automatically. For those who insist on MultiBeast: Ensure you
Run these individual packages one by one. This often bypasses the main installer's failure. The "Vanilla" Alternative: Why Experts Skip MultiBeast
sudo kextcache --clear-staging sudo kextcache -system-caches sudo kextcache -system-prelinked-kernel Post your exact hardware + MultiBeast version on
Why? Hackintool installs kexts using Apple’s approved KextManager API. It never fails.
If you’ve done the checklist and still get “Installation Failed,” execute these solutions in order.