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BS 11.2.3 boots only after Restart from Catalina - HP 840 G3


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Posted (edited)

HP 840 G3 with SATA SSD & M2 SSD

M2 is boot drive with Catalina 10.15.7, Big Sur 11.2.3 in installed to SATA

 

All works fine, OC 0.6.6 boots and from chooser I select what needed.

 

Catalina always boots fine.

But Big Sur will ONLY book successfully if started after restarted Catalina.

 

From cold it will always hang at the same point

 

11-2-3-fails-if-first.png

 

Anybody has any idea what could be causing it?

 

Attached config.plist that is being used

 

Thanks

 

sebus

config - Copy.plist

Edited by sebus
  • sebus changed the title to BS 11.2.3 boots only after Restart from Catalina - HP 840 G3

Gave up!

Used full 11.4 USB installer (with same EFI) and upgrade/update worked perfectly fine

 

While it boots fully to BS from cold, it is not working correctly (I think it is to do with DW1820A firmware not loading correctly)

Boot to Catalina first, reboot & BS works without an issue

 

sebus

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