I have a Thinkpad X1 Extreme and installed Manjaro 18.0.2 xfce. It is currently using the bumblebee graphics.
The problem is my external monitor is not working when hooked to my usb-c port. I already know from reading elsewhere that the hdmi will not work since it is not using nvidia.
However, I also tried an ethernet cable converted to usb-c and that works when plugged in. What could be causing the ext monitor to not work through usb-c but ethernet to work? How do I go about fixing this?