There's not just one Optimus implementation, there are many ways to wire Optimus. My colleague bought an Optimus laptop (can't remember which one now) that abso

There's not just one Optimus implementation, there are many ways to wire Optimus. My colleague bought an Optimus laptop (can't remember which one now) that absolutely doesn't have the nVidia part of Optimus working. See here for details: http://nouveau.freedesktop.org/wiki/Optimus http://nouveau.freedesktop.org/wiki/Optimus