I tried the following commands, doesn't work after reboot still get: sudo prime-select query unknown
sudo cat /proc/acpi/bbswitch cat: /proc/acpi/bbswitch: No such file or directory I Have to manually load bbswitch as it has stopped starting at boot using: sudo modprobe bbswitch to get sudo cat /proc/acpi/bbswitch 0000:01:00.0 ON sudo update-alternatives --config x86_64-linux-gnu_gl_conf There are 3 choices for the alternative x86_64-linux-gnu_gl_conf (providing /etc/ld.so.conf.d/x86_64-linux-gnu_GL.conf). Selection Path Priority Status ------------------------------------------------------------ 0 /usr/lib/nvidia-331/ld.so.conf 8604 auto mode 1 /usr/lib/nvidia-331-prime/ld.so.conf 8603 manual mode 2 /usr/lib/nvidia-331/ld.so.conf 8604 manual mode * 3 /usr/lib/x86_64-linux-gnu/mesa/ld.so.conf 500 manual mode Press enter to keep the current choice[*], or type selection number: (Tried with all the above selections) update-alternatives: using /usr/lib/nvidia-331-prime/ld.so.conf to provide /etc/ld.so.conf.d/x86_64-linux-gnu_GL.conf (x86_64-linux-gnu_gl_conf) in manual mode sudo ldconfig -n sudo update-initramfs -u sudo reboot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310023 Title: 14.04: Nvidia Prime is unable to switch to the Nvidia card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-common/+bug/1310023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
