Attached is the output of xrandr, which is identical when it's working, and when the third monitor is black.
And xdplinfo is also the same in both conditions: $ xdpyinfo |grep dime dimensions: 5520x1080 pixels (1461x286 millimeters)
Attached is the output of xrandr, which is identical when it's working, and when the third monitor is black.
And xdplinfo is also the same in both conditions:
$ xdpyinfo |grep dime
dimensions: 5520x1080 pixels (1461x286 millimeters)