Ubuntu 14.04 nvidia-prime "is it supported? no"

I have the same portable, I was using bumblebee before. But since 14.04 it was not working anymore and so now I switched to nvidia-prime. This is what I did:

Steps

• Install Nouveau driver through "Software & updates"

• Remove bumblebee or other installed nvidia drivers:

  sudo apt-get purge bumblebee*
  sudo apt-get purge nvidia-*
  

• An then reboot

• Install nvidia 331-updates driver through "Software & updates" (should also install nvidia-settings and nvidia-prime)

• Then reboot

Now run again nvidia-settings. This did it for me, more info here.

I had a similar problem. This is just a note to whomever else might find it useful.

Things started working once I re-enabled optimus from BIOS.

It seems the developers didn't do enough error handling. There should really be a bug report about that.