![]() Open /Volumes/EFI/EFI/refind/nf with your favourite text editor and add a new menu entry in the bottom: If you're doing this not immediately after installing rEFInd in Recovery mode, you'll probably need to mount the EFI volume from Terminal first: Steps to do this:Ĭopy EFI shell file downloaded in 1) to /Volumes/EFI/EFI/tools/shell.efi (destination filename must be exactly shell.efi). Note that if your CPU is different from those, register 50 might actually be correct - the only right way to find it out is to read your CPU datasheet (or just check in EFI shell if 50 and 51 have all zeros - if yes, then 52 is the right one).īut I went one step further and got rid of GRUB by translating the GRUB's setpci calls into EFI's mm calls, which are executed directly from rEFInd. ![]() Instructions below are updated to reflect that. UPDATE: reading through the CPU datasheet I found out that one of the commands uses incorrect register: it must be 52, not 50, and it's sufficient to modify only a single byte of the register. Just wanted to say thanks to the guy above, you're a genius! This helped me fix Nvidia issues in win10 as well on MacBookPro6,2! Search -s root -f /EFI/Microsoft/Boot/BCD #search microsoft boot bcd location and set rootĬhainloader /EFI/Microsoft/Boot/bootmgfw.efi #load efi boot fileĮverything works greatly except lcd brightness controls Setpci -s 00:00.0 54.B=3 #set main vga to nvidia Setpci -s 00:00.0 50.W=2 #disable intel vga (maybe) Setpci -s "01:00.0" 04.b=7 #remap pci lane for nvidia vga Setpci -s "00:01.0" 3e.b=8 #remap pci lane for intel vga efi/boot/grub圆4.efi > /efi/boot/grub圆4.efi ![]() It may be? LVDS I decided disable IntelHD Graphics when booting.ġ.1 SIP disable (single user mode : csrutil disable)ġ.2 copy grub files to EFI partition from ubuntu live dvd (I could not found how to install grub2 to EFI using ubuntu live dvd so I manually install it) My system is mbp 6,2 (mid 2010 i5)/ nvidia gt330m/ osx highsierra, windows10 (efi?booting) Hi I recently?succeed to resolve this problem! and sharing it here ![]()
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