MacBookPro integrated graphics card issue.
 
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ipsych
(@ipsych)
Active Member
Joined: 1 year ago
 

Hello,
I tried to set up Titan V following the thread in here.
After a number of failures, I 'recovered' via purge-wrangler, and nvda-wrangler.

First, It caused repeated black screen. I could barely start with boot-args="agc=-1" option.
After 3 times of os-re-install and numerous PRAM reset, now, I can boot without "agc=-1", but the system always use dedicated GPU (750m).
Whenever I try to activate 'automatic gpu switching', system crashes.

I think something happened with integrated intel graphics card.
Is it possible to corrupted PRAM (maybe... since I deleted EFI completely before my last OS re-install) cause selective iGPU failure?

To do: Create my signature with system and expected eGPU configuration information to give context to my posts. I have no builds.

.

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