I want to put High Sierra on one of my work-provided test systems, an HP 1040 G1, which looks like everything on it (except possibly the WiFi) will be supported.
The problem is: I have an old 2007 Macbook, which is stuck on 10.7.5, yet the Unibeast method from TonyMac requires 10.8 to run.
I have successfully set up a High Sierra VM on VirtualBox on my Windows 7 VM server, thinking that I could pass through the USB and successfully set up the installer that way, but I haven't been successful yet. Every time I try to reformat the USB through the VM, VirtualBox seems to lose its mind and crashes out Disk Utility with multiple different errors each time. If I reformat the USB with the Macbook, then plug into the Windows 7 VM server, it tells me to reformat it, and won't let VirtualBox share it through to High Sierra.
I've been tinkering with this for a few days now, and haven't made any progress. I'm starting to think that I may need to do an intermittent step, such as installing 10.8 on a 4530s that I have (which I'd rather not do, since A: I use it almost daily as a media streamer in the living room, and B: I don't have any install packages between 10.7 and 10.13, and they're a pain to locate through less conventional ways...), in order to get Unibeast onto a supported version so I can create the High Sierra installer.
Does anyone have some tips or workarounds for this kind of situation?
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