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Sure! I will say that after using mine for a while, it's still buggy for me. It does not like to eject some external disks/drives and my only option is to shutdown, remove drive and then reboot. Also AppleTV doesn't work. Things got really busy for me and I just haven't been able to research...

Nteractive and diegao109, I cannot thank you enough!! FINALLY was able to update to Big Sur! Thank you SO much! Curious, does your AppleTV work? Mine crashes on start, looking for a solution. thank you muchly!

Thank you so much. I'm going to give it another try!

Like you, I'd given up on installing Big Sur. I've not had good luck at all. I have same motherboard as you. You use this OpenCore EFI on a bootable usb with Big Sur installer? Then upgraded from Catalina and copy the EFI over to your boot drive? Looking for some clarification and hoping that...

Thank you so much! I will check that out and see if it helps to resolve the issue. **Solved - I was able to flash the bios and was able to get rid of the OpenCore boot entry. Thanks for your help Bustycat!

I've been trying to do a clean install of Big Sur with OpenCore on a spare drive. I've been using Catalina with Clover 4961. Somehow in tweaking my config.plist file I've managed to wreck the whole thing. I can't boot my any of my backups or USB drives. I have an OpenCore Boot Overide option...

Thank you all for your input! Greatly appreciated. At the moment, I think I'm leaning towards the RX 580. Now just gotta find a good deal. Thanks so much!

I'll need to to update to Mojave/Catalina at some point and as best I can tell, my current graphics card (NVIDIA GTX 970) is not compatible. I'm not sure which card would make the best replacement. I'm hoping that someone with more hardware knowledge might offer some advice? My profile shows my...

Update: I used the button on my mb to clear the CMOS. No change. I tried the OsxAptio files that you suggested and then tried solution from nickwoodhams.com and still got the error. At that point I Flashed the BIOS to the most recent version (F6) and was able to boot AND select Nvidia Web...

Thank you vulgo. I will try that after work today!

Thank you! I just tried that but I still get the error. I get the error trying to boot from my install USB also..and a new install USB I get the error trying to boot from previous installation USBs (El Capitan and Yosemite) I've used different USB ports. Nothing seems to work.

Thank you for all of your help!!! I'll post back once I've done my homework ;-)

Ok. I will try both! Just so I'm clear, when I make a fresh install with latest Clover/FakeSMC.kext/Web drivers etc, would you recommend that I start off with OsxAptoFixDrv-64, HFSPlus.efi, EmuVariableUefi-64 and RC scripts? And then.... if a fresh install doesn't work.....?

From Terminal: kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext realtekALC.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext FakeSMC.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext FakePCIID_XHCIMux.kext...

Installed web drivers. I get a slightly different error: OsxAptioFix2Drv: Starting ovverrides for \System\Library/CoreServices\boot.efi Using reloc block: no, hibernate wake: no Error allocating 0.2479a pages at 0x000000001c706000 alloc type 2 Couldn't allocate runtime area Boot failed, sleeping...

Yes I can boot safe mode

No

Updated Clover Mounted EFI and deleted the /EFI/CLOVER/kexts/10.* and left /EFI/CLOVER/kexts/Other then I may have screwed up. I copied the downloaded FakeSMC.kext to /EFI/CLOVER/kexts/Other (maybe I should have copied it from /Library/Extensions? I'm so sorry if I messed that up) Now I get...

checked nv_disable=1 unchecked nvda_drv=1 Yes, successful boot

Deleted sensor kexts. Replaced FakeSMC.kext with the latest version and inadvertently installed the included sensor kexts. Wasn't sure if I needed to remove them again as well?