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[SOLVED] Probook 450 G5 | BIOS update issue


acquarius.13

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Into Option, at boot, there was only 1 OEM SSDT flagged. The patched ones were not flagged, so I supposed they were not in use.

Disabling the OEM SSDT the system still freezes at the same time.

 

Now I revert to 01.09.01, because it seems to be the only way to have macOS running on this machine

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If you mean flagged as in checked, that means it's been dropped...hence table droppings.

You should try dropping these 3 patches: SSDT-4x0G4k, SSDT-FANREAD, and SSDT-IGPU.

I would probably drop the 1st one 1st

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If I upgrade VoodooPS2Controller from 1.9.2 to 2.1.5 (latest), I see this difference in booting error.

 

Now I try to substitute the VoodooPS2Controller with ApplePS2Controller (published here for dell laptops) that I use in E7450 and see what happens

 

EDIT:

 

And this is the freezing whilst using ApplePS2Controller

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