Place following files here: Windows6.1-KB2864202-x??.msu x??\XHCI\ucx01000.sys x??\XHCI\usbd8.sys x??\XHCI\usbhub3.sys x??\XHCI\USBXHCI.cat x??\XHCI\USBXHCI.inf x??\XHCI\usbxhci.sys Optional: x??\UASPSTOR\uaspstor.cat x??\UASPSTOR\uaspstor.inf x??\UASPSTOR\uaspstor.sys Links: https://www.catalog.update.microsoft.com/Search.aspx?q=KB2864202%2BWindows%207 https://www.google.com/search?q=USB 3/XHCI+driver+stack+for+Windows+7/Vista