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Black screen when booting into installer

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MistaWhite said:
What do you mean?
Click to expand...
Boot to BIOS. When at the main page (where all the system related information is shown), take a picture and send it over here.
 

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Is there any info on the CPU which can be checked from BIOS?
 
Great. Can you post the revised EFI?
 
Make the following changes:

Remove SSDT-EC-USBX-DESKTOP and replace it with SSDT-EC-DESKTOP.aml
Disable the CpuPm Table.
Set the SMBIOS to iMacPro1,1 for the time being.

Ensure that you're running A19 BIOS version.

Try booting Big Sur or Monterey/Ventura.
 

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