Lenovo yoga c930 startImage failed

[alvaromf]

Hello
Can anybody help me?
This laptop is running Catalina and i am trying to upgrade to Big Sur
i get this error when i boot from usb stick installation.

 

[Porzelan]

Oh I have exactly the same problem with OC, everything works great with Catalina. Please update all Kext, then use the OC Debug variant, then compare the log file text, maybe you can see the error chain there ...

I hope we find this mistake, have been there for so long ...

 

[965987400]

BIOS-Intel SGX-disable

 

[Porzelan]

Yes Bios-Intel SGX is disable...
As I said, only with BigSur 11.1, what I suspect is related to the sleep mode, which is unfortunately still faulty, please help ...
Please check my EFI Thank You...

 

[navaira]

[Guide] Lenovo Yoga C930-13IKB (4K/i7-8550u) 99% working, updated 7 Feb

but the one thing I've been struggling to do is get the display brightness to work. Same here. From what I've seen my SSDT and DSDT patches are fine, but still no dice. It's my girlfriend's work laptop too, which most of the time is hooked up to an external display so is not a problem, but...

www.tonymacx86.com

Look in this thread.