I just purchased a Surface Book 2. I would like to use it at work as a third monitor, but am stumped as to how to connect it. I have a desktop PC, currently with two monitors. My PC does not support miracast or connecting wirelessly. People have suggested the surface dock, but as my surface is not my work computer I am guessing that you can't use the dock and the desktop PC together? Installing a third party app isn't really an option, since our IT department blocks most downloads. I'm hoping there is a magic cable out there, but I am not tech savvy enough to know which one will make it work.!