usb-c to dvi

So.. I have an Asus Zephyrus GA502DU-PB73 which apparently has USB 3.1 on it's USB C port. I am attempting to connect a third monitor using a USB-C to DVI adapter (a Samsung SME2020, which works fine using DVI from another machine) The laptop has a AMD Ryzen 7 3750H with Radeon Vega Mobile Gfx...