Bruno Bierbaumer

Hi, I am not sure why this is happening. Nevertheless recent versions of rEFInd also have this functionality built-in. See the spoof_osx_version configuration variable: http://www.rodsbooks.com/refind/configfile.html

Hi, I think that is happening, because macOS is resetting the setting. I can't point you to a solution and I don't have any MacBook available to check it myself.

I don't have access to a MacBook anymore and I can't help you with this issue. But I am not sure if gpu-switch should be run together with gfxCardStatus.

Here you go https://github.com/0xbb/gpu-switch/releases/tag/macos-binaries

I only know how to disable the dedicated GPU under Linux (echo OFF > /sys/kernel/debug/vgaswitcheroo/switch). I am not aware of any way of doing that under Windows to be more...

Oh. I only have the 11,3 Macbook Pro available und there you have to run `./gpu-switch -i` and then **reboot**. The state of the selected GPU is stored in NVRAM...

Hi everyone! I would like to help getting switchable GPUs working for the MacbookPro 11,3. Just let me know if you have anything to test or if I should help...

Hi Andreas, thanks for the quick response! I will give the two points a try and report back here!

I gave Michael Marineau's implementation of apple_set_os (https://www.marc.info/?l=grub-deavel&m=141586614924917&w=2) directly in the linux kernel a try. So the modified version of the kernel (3.18) on a Macbook Pro 11,3 gave me...

@ah- I agree that we should boot via EFI and your explanation with the exit boot call makes sense. I also agree with updating the wikis, I will do so...