Same issue with (X)ubuntu 18.04 with lightdm and nvidia-driver-390 and also nvidia-driver-340. Following setup (notebook):
$ lspci | egrep 'VGA|3D' 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 640M LE] (rev a1) After driver installation and reboot only blinking cursor no login, can't even switch to console with [Ctrl] + [Alt] + [F*]. Only recover possible through recovery mode and purging all nvidia-*. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773113 Title: nvidia-390 does not show GUI To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1773113/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs