Mac install works on USB, not on HD

[konrad]

Have you tried install rEFInd?
I think you need to do something like described in this thread:

HowTo: setup rEFInd to boot Haiku

I’ve just built a new PC (MSI x570 Tomahawk, Ryzen 3700x, 32Gb 3200 memory, 2x 1Tb Nvme drives) and installed a fresh Haiku R1B2 to the box, and installed rEFInd boot manager for triple booting, and decided to write a quick HowTo guide to help some users if they experience UEFI boot based problems. Most users FORGET to install the Haiku EFI boot loader, and will not be able to boot Haiku. Follow these simple steps, and you should be OK on supported hardware. rEFInd is a boot manager (https://…

Here is another thread:

Haiku on Mac

Started this thread as I was considering leaving Facebook and didn’t want to see the “Haiku on Mac” effort fade to oblivion. That said, I’ll be posting updates on my efforts with it here, and hopefully people in the community can read, comment, contribute, etc. Thanks, everyone!