nvidia-prime works great now, but on my kubuntu system I had to install
python-gtk2 to use PRIME Profiles in nvidia settings
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1268771
Title:
NVIDIA Prime
I had the same problem. Deleting grubenv had no efect.
Solved it temporarily using following commands in recovery shell
# cd /boot/grub
# rm grubenv
# grub-editenv grubenv create
# grub-editenv grubenv set default=0
# grub-editenv grubenv list
default=0
--
invalid: environment block
https://bugs.