I can't connect Etra (Extended / Duplicate) Screen to the usb 3 docking station of Lenovo Yoga 13, Since After I upgraded to Windows 8.1. I reinstalled Intel HD Graphics 4000 driver from Lenovo Site and the Display won't work.
help please,
This is all you need bro, solved.
https://forums.lenovo.com/t5/Idea-Windows-based-Tablets-and/Yoga-13-Video/m-p/1272851#M8030