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I'm trying to get bumblebee working because my pc has 2 graphic cards, one Intel i7 7th gen and one Nvidia GeForce 940MX. I want to use the Intel one for almost everything and the Nvidia one for gaming. I installed the proprietary Nvidia drivers from "additional drivers" in "software and updates". The driver version it installed is 390.48. I also installed the bumblebee packages from the official repositories following this guide.

When I ran the optirun command to work with Nvidia it gets an error.

[ 2028.874087] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver
[ 2028.874188] [ERROR]Aborting because fallback start is disabled.
  • Does an integrated graphics card count as a second card? – Tim Jul 13 '18 at 22:17
  • Why would not count? – Aldo Vázquez Jul 13 '18 at 22:49
  • well when I had my gaming computer, I just treated it as having 2 GPUs. I just ignored the integrated Intel one. – Tim Jul 13 '18 at 22:50
  • Does this link: forum.manjaro.org/t/… help at all? It suggests some wiki articles. – Tim Jul 13 '18 at 22:52
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As far as I know, bumblebee doesn't work with Ubuntu 18.04. You might want to follow this useful guide on how to set your Intel and Nvidia graphics to work.

Basically, after installing Nvidia drivers, use:

sudo prime-select intel

and then reboot to switch to intel graphics, and

sudo prime-select nvidia 

and reboot to switch to Nvidia graphics.

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