Lightdm failed at boot after installing nvidia driver. On intel everthing ok. I have thinkpad with optimus.
Driver installed by DoFlicky.
levelast@levelast-thinkpad ~ $ inxi -G Graphics: Card-1: Intel Device 5916 Card-2: NVIDIA GM107M [GeForce GTX 950M] Display Server: X.Org 1.18.4 drivers: modesetting,nouveau (unloaded: fbdev,vesa) Resolution: 1920x1080@60.03hz GLX Renderer: Mesa DRI Intel HD Graphics 620 (Kabylake GT2) GLX Version: 3.0 Mesa 17.0.4

