One thing I forgot to mention: nvidia-prime is also broken on nvidia-340. Even with Intel graphics in use instead of NVIDIA, the laptop remains unusable.
It's fine for newer drivers, like nvidia-driver-415 ** Also affects: nvidia-prime (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1806817 Title: PKCS#7 signature not signed with a trusted key To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/+bug/1806817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs