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Thinkpad E550 (no wifi after sleep, active dGPU)


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Hi folks, 


I've had my hackintosh (i7-5500u, Radeon R7) mostly working on 10.12 for the last year or so, but I have a couple of issues that would make for a much nicer machine.  

  1. Wifi (BCM94352Z) greys out and won't turn back on after sleep.  I believe this has to do with WAK not running correctly, but don't really know how to fix it.
  2. I don't know how to shut the discrete GPU off and my battery life is something in the order of an hour off the charger, so that would be nice to fix.  


I was hoping someone could give me a hand getting things sorted. 



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