Other than the aforementioned hardware experimentation, you might also want to try downgrading the kernel. Older kernels are likely still installed on your machine so all you need is to get to the grub menu (which can be difficult) and choose an older kernel at boot time.
See: https://askubuntu.com/questions/16042/how-to-get-to-the-grub-menu- at-boot-time -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777378 Title: [nvidia] GDM no longer presents GUI login Ubuntu 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1777378/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
