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Lenovo Y580 how to enable Nvidia GTX660M macOS Sierra

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Oct 19, 2015
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Motherboard
Z390 Gaming SLI
CPU
i9-9900k
Graphics
GTX-1070
Mobile Phone
  1. iOS
Hi,

After upgrade from Yosemite to Sierra 10.12.4 Nvidia 660M no longer works. System lost it completely.
Is there some possibility to enable it back because it was faster then HD4000.

Thanks in advance for your help.
 
In Yosemite it was visible in About this Mac and CUDA was working with Webdriver... Do not have idea should it work or not, but it was :) Seems I need to reinstall Yosemite back to have it works again. No way to get it in Sierra, right ?
 
CUDA should be possible, but I don't expect it to drive your internal screen.

Did you install the Nvidia WebDrivers and CUDA drivers?

Yes, both of them. but CUDA shows now "No GPU Detected"
 
Thanks everyone for help. At the end I have bough used MacBook 2017 8 / 256.
 
Hi,

After upgrade from Yosemite to Sierra 10.12.4 Nvidia 660M no longer works. System lost it completely.
Is there some possibility to enable it back because it was faster then HD4000.

Thanks in advance for your help.
Hi, It's good to see the macOS detecting the NVIDIA 660m, I know it's been a while since you ve done the installation, do you still have the EFI file?
 
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