My touchpads work very well with X, out of the box (any Ubuntu I used.) HP ZBook 15 from 2014 and a HP nc8430 from 2006.
> Nor does it work on a laptop with a resolution that requires scaling (at least not the second you plug in another display).
I can't comment on this. The few times I added another display it wasn't larger than the usual 1920x1080 px.
My touchpads work very well with X, out of the box (any Ubuntu I used.) HP ZBook 15 from 2014 and a HP nc8430 from 2006.
> Nor does it work on a laptop with a resolution that requires scaling (at least not the second you plug in another display).
I can't comment on this. The few times I added another display it wasn't larger than the usual 1920x1080 px.