Correct, just connect the S2716DG video cable to the other computer. Reboot. Make sure the resolution is correct and that the driver is installed. Then connect the USB cable and test.
* I opened Google and searched for, "Asus Maximus VIII Ranger chipset drivers"
* I then opened the second link, "MAXIMUS VIII RANGER Driver & Tools| Motherboards | ASUS USA"
* I chose Windows 7 64-bit
* I see two possible applicable drivers for this issue;
Chipset Version 188.8.131.520
USB Version 184.108.40.206 Beta Version