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MACH Reboot

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maybe it's the args need to change, but how to do with opencore, there is no menu like on clover? 
when I press the spacebar it's Reset NVRAM that does the toggle, how do you do it?

I do not know how to do and what to do to manage to install macos, here is the display which freezes after having started on the key...

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I use the EFI.Opencore.Desktop.HEDT.Haswell-E.MOD.zip for a Dell Precision T5810 workstation with Xeon E5-1650 v3 processor (Intel X99 chipset: LGA 2011-3) year: 2015

GPU is AMD...

Whats wrong ???

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3 days I try but there are a few things i didn't understand, i think... now I installed clover to change everything...
Q: Do I have to change the efi on the usb key, or that of the menu that is loaded from the ssd disk?

I still can't boot into the macOS usb key installer...

 

I try different configurtion, the usb-key with open core I try this boot args :
-v alcid=12 watchdog=0 -no_compat_check -radvesa -disablegfxfirmware

But same result

 

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I try to downgrade the Bios like this https://github.com/OreyM/Hackintosh-Dell-T5810-Xeon-E5-26xx-V3-OpenCore-PowerMac-G5

now I have the 09 version of bios but i try to use older clover solution and I have a graphic card error...

Maybe is not compatible with Ventura macos ... 

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this photo is the result with the clover from the github link above and the bios in version 09. If I use Clover or opencore with ventura for x99 from olarila, then it restarts in a loop.
I'm going crazy... do I have to use an old macos?

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somethings is wrong in procedure

-Bios/UEFI in full default settings(Just change settings if need)
-Use USB2 port for easy installation with no remap USB
-Users with IGPU can use -igfxvesa bootarg for easy installation
-Delete old EFI folder and paste new. Don't use merge files
-Don't use Drag and Drop into EFI partition. Use Copy/Paste instead
-Reset NVRAM one time - with OpenCore use entry "Reset Nvram" / with Clover use F11 key on boot screen

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thanks Maldon all point is okay, UEFI not legalcy , all is usb 2 and the key, I copy past the EFI and I mouth the folder with ESP Mounter Pro and I empty the trash.

It's a quadro Nvida card (with 4 port) not a IGPU

Yes have click on the NVRAM or F11 with clover (I have try both)
...

Same problem again...

With the bios A09, the pc reboot immediately , but with bios A34, it's freeze...
I try with 2 different USB key 2.0 and EFI HEDT.Haswell-E.MOD 

 

maybe the hardware is to old for ventura

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