Ubuntu
xserver-xorg-video-intel package

  1. Bug #890104
  2. Comment #3

Comment 3 for bug 890104

Revision history for this message
Bryce Harrington (bryce) wrote :

hybrid graphics switching is not supported in ubuntu yet. You need to work with these guys:

  https://launchpad.net/~hybrid-graphics-linux

Probably your hdmi output isn't wired to the intel card, but to the nvidia card. So other than blacklisting the i915 driver there isn't much that can be done.