I use it a lot in my 13" Air, I switched from PC+Ubuntu desktop to MacOS and having multiple desktops makes perfect sense to me since day one. But I've got a we

I use it a lot in my 13" Air, I switched from PC+Ubuntu desktop to MacOS and having multiple desktops makes perfect sense to me since day one. But I've got a weird issue with multiple monitors and extended desktop, when I switch from a virtual desktop to another one, monitor shows a gray background and I can't place windows on it making multiple monitors plus virtual desktops totally useless.