I've made a few tweaks which you can see here https://github.com/timrichardson/Prime-Ubuntu-18.04
it now works between reboots. I should do a fresh install to make sure it works without action. For example, I've made a note that after install I did sudo systemctl enable prime-socket the problem I have is that I don't have any clue about what I'm doing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1765363 Title: prime-select intel is not powering off the nvidia card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1765363/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs