How to Fix Triple boot, GPU safety
Graphics issues usually stem from an unsupported GPU, missing acceleration patches, or incorrect boot arguments.
Quick Fix Steps
- Verify GPU support: Check if your GPU model is natively supported in your target macOS version via WhateverGreen documentation.
- Update kexts: Ensure Lilu and WhateverGreen are current and loaded before other GPU-related kexts.
- Check boot arguments: Add
-v keepsyms=1 debug=0x100for debugging, oragdpmod=pikerafor modern AMD cards. - Test Metal support: Open About This Mac > System Report > Graphics and confirm Metal is listed.
Verification
- Graphics acceleration is smooth (not CPU-bound).
- Metal is reported in System Information.
- No GPU-related kernel panics on boot.
Related Searches
Original Question: "Triple boot, GPU safety?"
First off, love this community. Never posted but helped immensely in building my first hackintosh maybe a year ago. I posted this in r/buildapc with no luck. Hopefully you guys can help.
Relevant hardware:
i7-8700k
Asus ROG Strix Z390-E Gaming
Vega 64
RTX 3080 FE
EVGA 850W GQ
"Wondering about kind of a specific use-case. Here’s the sitch:
I’m triple booting a hackintosh (nvme 1) and Windows/Ubuntu (nvme 2, partitioned). Generally I do 3D work/compositing and just prefer macOS hence the hack, which has a Vega 64. I managed to score a 3080 FE and plan to use Windows-specific apps like Embergen, then swing to Ubuntu Blender which provides a bit of a boost in render times.
Everything works. Clover is installed on the Mac drive and I can boot to whatever. I’m wondering about the best ways to use these GPUs and what kind of PSU is safe.
Right now I have an EVGA 850W GQ and have been unplugging and plugging in the GPU power cables/DisplayPort each time I boot to a different OS (kind of a pain considering I do this a fair bit for work) to make sure that nothing will get screwed up. So I’m wondering:
- Is it safe to have both the Vega 64 and RTX 3080 plugged in with an 850W PSU if one of them is idle, or should I unplug the one not in use?
- If it’s safe power-wise, can I keep my monitor plugged into the Vega and take advantage of the 3080? I mostly use apps like Blender, Substance Painter, Adobe CC suite.
Thanks in advance for the help! A lot easier to explain the situation than cobble together an answer from a bunch of forums."
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