2
Two similar monitors display the same picture and are shown as a single monitor under Ubuntu
in System Settings -> Displays
. This is a DELL Latitude e5550
laptop and both displays are connected via two DVI
interfaces through DELL E-PORT PLUS II DOCKING STATION
.
lspci | grep -iE "vga|3d|2d"
00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09)
03:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev a2)