Found a solution, thanks to this: http://nouveau.freedesktop.org/wiki/Optimus/
First, you have to add "drm.rnodes=1" to the kernel parameters: https://wiki.ubuntu.com/Kernel/KernelBootParameters Then, you need to make sure you (the user) are in the video group: sudo usermod -a -G video <user> Reboot, and it should work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388647 Title: DRI_PRIME=1 has no effect in Ubuntu 14.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1388647/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs