Ema0404 wrote:what is ubuntu-x-swat? and what should I do for add it?
it is useless in the gpu configuration you have.
Ema0404 wrote: I correct it editing xorg-conf like this:
this was a smart trick but i believe that it didn't addressed the main issue
Ema0404 wrote:GLX Renderer: N/A GLX Version: N/A Direct Rendering: N/A
< this one: according to this output you have no direct rendering (no 3d acceleration) furthermore you can't use the nvidia card in a per-app basis like you could with bumblebee https://wiki.ubuntu.com/Bumblebee
(now a warning note: bumblebee doesn't like to be installed when it detects traces of other nvidia drivers installations; it will fail)