Thanks for the hint, now manually install nvidia-prime, does make it work on this system(201308-14114). But nvidia-prime does not install along with nvidia-331-updates when enabling by using jockey, this is still a problem for users only know how to use jockey.
** Changed in: nvidia-graphics-drivers-331-updates (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1262539 Title: Driver for NVIDIA GF117M (GT620M) [10de:1140] To manage notifications about this bug go to: https://bugs.launchpad.net/jockey/+bug/1262539/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs