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I took your advice. I wiped the drive clean and started a fresh Catalina install. When I get booted up and running, next step would be installing...multi beast? I’m dubious about this one since the most recent one comes with an older version of clover.

Making some progress...I think. I picked up an enclosure and plugged my ssd into the working Mac. I ran multibeast on the drive and included all the next kexts as suggested, and booted using agdpmod=pikera. Now after the Apple loading screen, I get this screen.

Jacked how? The Mac I have access to is a laptop so yanking out my SSD isn’t really an option.

Here's the EFI folder from my update USB.

The only thing I can think of here is to set up my install USB so that it has the right kexts and clover configuration to get around this problem. Any advice on how I might do that? Like using clover configurator to set up the config.plist on the USB drive?

What the heck is going on.... I borrowed a MacBook from work, downloaded the Catalina installer, installed the latest unibeast and created the installable usb drive... And I’m getting the same behaviour. The Apple screen loads for a bit then my monitor loses the signal and I can’t tell what’s...

The reinstall got to two minutes, stalled, then gave me the “could not create prebiotic volume for APFS” error and dumped me out of the install. Starting to really panic now.

I managed to get recovery booted by switching to my integrated graphics and I’m attempting a fresh install of 10.15.0. Then I’ll update as suggested before trying the .3 installer again.

Sadly, I ran the system update without updating those first, and now I can’t even get into my system to fix those...

Against my gut instinct, I tried completing the 10.15.3 update from 10.15.0 this morning...and my system has gone kaput. It seemed to install fine through a couple of reboots until all the install disk options had disappeared from Clover, but now when any partition boots, the screen goes black...

Just to be clear, my system is not rebooting on its own. I have to do it myself.

Hi all, I’ve been trying to install High Sierra and am getting stuck. The first couple of times, I tried a straight upgrade from Sierra. The system would boot into the apple logo with the progress bar. And then it would stop making any progress around the 90% mark and stay this way for...well...

Thanks for all your help. Onto the next problem....no sound.

Thanks for all your help. Now onto the no sound problem...

Oh my god you are not going to believe this... The graphics card has 3 hdmi ports. Change the ports from all the way to the right to all the way to the left worked. I feel like such a friggin dork.

Good lord, I have no idea how to do that.

HDMI. I used the kextbeast tool to install those - perhaps I don't have them properly installed?

Attached.

Hi all, I'm about ready to throw my machine out a window. I can't for the life of me get my GPU to work properly. I'm having the same issue a lot of people seem to be, but none of the solutions are producing any result. I've followed this guide to the best of my ability: The big issue seems...

Changed back to 14,2 - no effect. I also tried re-running multibeast, using Clover v2.4k r4063 UEFI Boot Mode + Emulated NVRAM. The attached EFI folder is from this last configuration, and I'm still getting the same graphics crash during macOS startup.