I installed Manjaro 18.0.4 (Gnome) on my Lenovo P50. After setting the NVidia graphics card as the primary card and removing all drivers for the onboard intel GPU, the laptop does not suspend when I close the lid any more. The screen turns off, tough.
All properties in
/etc/systemd/logind.conf are commented (so, defaults are in place). I tried to set
HandleLidSwitch=suspend, but that does not work either.
In Gnome Tweak Tool, "Suspend when lid is closed" is set to true, with no effect.
What can I do to achieve the same behavior as with the integrated Intel graphics card?