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Pre-boot black screen on OpenCore 0.7.0


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Currently running OpenCore 0.6.6 with macos 11.2.2, which works fine. Trying to update to OpenCore 0.7.0, but I'm very much stuck on a black screen that tells me nothing.

 

I've tried switching to the debug version of OpenCore (as was advised here: https://dortania.github.io/OpenCore-Install-Guide/troubleshooting/extended/opencore-issues.html#stuck-on-a-black-screen-before-picker), hoping to get some useful information. Sadly, this is the only output I get before ending up with the black screen:

 

IMG_2252.thumb.JPG.7a717781393dd515782d3aba5586e935.JPG

 

Attached is .zip file of my EFI folder.

 

Can somebody please help me find what the problem is?

EFI.zip

I don't see things in the EFI folder that explain this bug. It only occurs to me that you try HfsPlus.efi driver instead of OpenHfsPlus.efi. You can download it from here:

https://github.com/acidanthera/OcBinaryData

 

Regarding config.plist, you have set audio layout-id in 2 different places and with 2 different values:

  • boot-args: alcid = 1
  • DeviceProperties: layout-id = 01000003 which is 16777219 in decimal so I see you have the wrong number, it has to be 01000000.

As alcid in boot-args takes precedence so this is the parameter used, the key in DeviceProperties is ignored.

 

 

 

Edited by miliuco

Some Samsung SSDs are known to cause issues with OS X.

Try to update your 970 Evo to a suitable firmware, or try installing on another drive, even if it has to be SATA.

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