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 Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/700646 Title: nVIDIA 425M (with Optimus) is not detected -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
