I have the same Problem trying to install Mojave on my new Gigabyte Z390 Aorus Pro Wifi - i9-9900k.I need some help! Have done several successful builds using Gigabyte Boards and i7. Decided to build a new machine using i9-9900k, Gigabyte Z390 Aorus Pro Wifi and Sapphire RX 580 Pulse 8GB . Never had this much trouble getting to the installer. Created USB Installer using UniBeast 9.2 for Mojave. Went through Step 1 and 2 above completely. The only thing I couldn't find in the BIOS was
• Chipset → DVMT Pre-Alloc → 64M
• Chipset → DVMT Total Gfx Mem → 256M
USB Installer starts fine. Gets to Boot macOS Install from Install macOS Mojave. Get to Apple Logo, everything looks good but hangs up every time about 70% through and then get the 0 with the slash through it. Been at this for 3 days, I'm ready to give up and go to an i7 but I really want to use the i9 as we do a lot of FCP, DiVinci Resolve etc. I'm fairly sure that the Install USB is good because I can get to the install screen on another machine with an i7. Don't know what to do next.
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Not to sound dumb. But why use a SSDT? I followed your guide with great success! Thank you so much. All my USB ports are working. I even updates to 10.14.6 from 10.14 with zero issues. Again that you for your easy to follow guide. Well done.If you're using the Pro (non-Wifi) I would be genuinely surprised if you didn't have immediate success using my EFI folder. I've since cleaned it up a little bit, though. The newer 'clean' version is attached for reference.
I used your EFI to clean Big Sur install (OpenCore) and everything working fine. Thank you!I created one from scratch on OC 6.4.0 with help of EFI from this thread, I booted with it into Catalina and updated into Big Sur without any problems, remember to replace 'xxxxxxxx' with your serial number