Never heard of that.
But it's not up to DisplayLink driver to decide the layout. This is a Windows feature and we would fail driver qualification if we were interfering with it.
Could you have a look at the Windows Display Panel (right click on the desktop, then click on screen resolution). Can you change to Extend?
I find the following article very useful for this:
http://www.tenforums.com/tutorials/2...dows-10-a.html