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Latitude E6520: unable to install High Sierra


H4ck1nt0sh3r

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Sounds like it's heating up really fast and then shutdown to prevent hardware damage. Try removing the SSDT.aml.

Also see you have some unnecessary kexts which can be remove as well:

AtherosE2200Ethernet

RealtekRTL8111

USBInjectAll

WhateverGreen

I see your also have 2 kexts for audio: AppleALC.kext and AppleHDAIDT.kext

Choose one or the other, not both. If AppleALC, then you could disable the HDA patches in kextToPatch.

If AppleHDAIDT.kext, then it needs to be in /L/E

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