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thanks for EFI, it worked very well. Only problem is its showing NVMe drive as external drive, can anyone please guide how to fix this? Thanks

yes I'm following his guid and also tried the EFI folder he shared but didn't work. So I made some modifications in it now its booting to the point where I get black screen. Would you mind reviewing my Config file and guide if there some problem?

Can you please guide me this what are these setting?

Okay I don't any serial port in there also no settings for that. I have attached screenshot of biso where its say PCI SERR# Gerenation is it something related to serial port?

Thank you @P1LGRIM for reply and help. Let me try this quickly.

Hello friends, I need help fixing the boot issue from Catalina USB installer. Working on HP Z440 with E5-2670 v3 Processor and 16GB Ram with Quadro K2000 with nvme drive using PCIe expansion card. I'm stuck at this point where the system just about the load the installer UI. It says unsupported...

I'm using Mac Pro 5.1 Could it be bypass if 5.1 is not supported? it shows at Mid 2010 in my previous build.

Hello Guys! I'm trying to upgrade my Mackintosh by installing Mojave on my Previous build of HP Z400 running perfectly with Sierra. I'm stuck at this error saying "macOS could not be installed on your computer" I've added the same kexts as before in my previous builds and I'm not sure why...

I have also tried using USB 2 using same method and config files, but its stuck at the Screen "++++++++++++++++++++++++++++++++_" its doesn't pass this screen I waited for almost 20 minutes.

I can see the ACPI error but not sure what is for so anyone please check and guide me here... Another question is How can i use "Generate Config" option the Clover Configurator? Really Appreciate the help!

Hi @P1LGRIM , I followed the shared guide this time and I'm attaching my EFI folder so you can review it. I just changed the system definition to Mac Pro 5.1 and added -v boot flag everything else is default but still after booting its showing the same screen where I was before. Please let me...

Thanks for the link, though I had tried this couple of times before doing manual USB preparation. But let me try once more.

I found this is the closest one matching my system; though its for dual CPU but similar specs. https://everymac.com/systems/apple/mac_pro/specs/mac-pro-twelve-core-2.66-mid-2010-westmere-specs.html#macspecs1

I'm finding clover difficult to understand than Enoch, I'm sharing the Enoch Extra > config plist, can you see that and suggest similar settings for clover?

What should be suitable for this system? please guide me. I was using Mac 5.1 in my previous builds and they are working fine.

Hi Thanks for reply. I've booted the system with FixOwnership option as you asked in above post but showed me other screen, attached below. I'm also attaching my new EFI structure and unfortunately still the same issue. Please see the attached files. Thanks @P1LGRIM I also tried USB 2 but...

Thanks for reply P1LGRIM I have don't have USB 3 ports in my system and I couldn't find any options for these two; - You might also try enabling Legacy on your USB3 ports in your BIOS settings. - Ensure that Fast Boot is not enabled in your BIOS settings. I tried all ports and another USB...

Hi Guys, I've been installing High Sierra on HP Z400 since couple of days and unfortunately I couldn't pass through following screen. Every time it says "Still waiting for root device" with Cross Icon in center of the screen. Actually on this machine I had successfully installed Mavericks...

Hi Guys, I got the same error and I tried all combinations you guys mentioned but nothing worked. :|

Hi, I need your assistance for choosing any of the following system for installing mac on it; Dell Optiplex 780 C2Q6600 processor 8Gb DDr3 RAM 1066Mhz 250 GB HDD GeForce GT 630 Intel Q45 Express Chipset Dell Optiplex 960 C2Q9550 processor 8Gb DDr2 RAM 800Mhz 250 GB HDD GeForce GT 630 Intel Q45...