I have a video card with 2 outputs. I don't usually have a monitor on the second output (HDMI). I have to reboot if want to use a second monitor. Is there a way to force lubuntu to rescan for the second monitor. [ 1.507056] nouveau [ DEVICE][0000:01:00.0] Chipset: GK107 (NVE7) [ 1.507057] nouveau [ DEVICE][0000:01:00.0] Family : NVE0 Apparently the nvidia driver allows a second monitor to be plugged in (I don't know how to install those drivers in lubuntu).