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Disable Discrete Nvidia Card

Nguyen Tu

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Hello everyone ! I have a Dell Latitude e6530 : core i7 3520M, Hd4000 and Nvidia NVS 5200M, BIOS A20

I tried install macos 10.12.6. USB, wifi,sound, ....are working. 

I want to disable Nvidia card by DSDT to save battery. I tried disable Nvidia card but it's not working

Help me, please !!!

"I'm sorry, my English is bad"




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