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BigSur: OpenCore Stalls at "rooting"

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Joined
Dec 20, 2011
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Motherboard
Dell Precision T3600
CPU
E-2667 v1
Graphics
HD 7950
Mac
  1. MacBook Pro
Classic Mac
  1. SE/30
Mobile Phone
  1. iOS
Hi all,

I am trying to boot the Big Sur installer USB from the App store. I've been through the setup instructions for OpenCore 0.6.3 and everything checks out in the sanity check. I have my USB drive. It seems to boot fine until it gets to a certain point and stops mid-word. The last couple lines are (for more see image):

ASP: NVRAM pointer initialized
ASP: No recovery key set
Security policy loaded: Apple System Policy (ASP)
rooting

I have previously been booting Mojave using Clover, which works fine. Can anyone shed some light on what is happening here and how to fix it? Much appreciated.

ASROCK Z170 MoBo with Intel i7-6700k, Radeon 560OC graphics, 16GB RAM, SATA SSD.
 

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Any luck on figuring out your issue? I'm having the exact same issue...keeps stopping there.

Thanks
 
Same thing here

Any luck?
 
Try enabling UEFI->Quirks->ReleaseUSBOwnership
 
Thanks, it worked!!!. But my USB ports aren't working. What can I do now?
 

I used this guide to activate my USB ports again
 
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