1) Visit: http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/home.jsp?nav=download
2) Select “Laptop” and specify the Make/Model of your laptop
3) Refine the search result by your Windows version
4) Further refine results and download the latest driver from the following categories:
a. Display
b. Chipset -> USB 3.0 Host Controller
5) Installed the downloaded drivers and reboot your laptop