After further investigation, the root cause is that this GT 425M is not supported by the Nouveau driver, supplied with Ubuntu.
According to the status matrix at http://nouveau.freedesktop.org/wiki/FeatureMatrix (GT425M is part of the NVC0 family), support for it is still incomplete. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nv in Ubuntu. https://bugs.launchpad.net/bugs/700646 Title: nVIDIA 425M (with Optimus) is not detected _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
