If the monitor is connected before the system boot, then after boot you need to reconnect the monitor, otherwise gestures don't work.
To fix this problem and don't reconnect the monitor on every boot I found that all I had to do was change "connected" to "primary".
If the monitor is connected before the system boot, then after boot you need to reconnect the monitor, otherwise gestures don't work. To fix this problem and don't reconnect the monitor on every boot I found that all I had to do was change "connected" to "primary".