Honestly when this happened to me I uninstalled all the drivers for everything usb 3.0 related. Then when I rebooted I went into the bios before windows started and disabled everything usb3 related to the motherboard so only the card was usable. Then...

Have you tried completely uninstalling the drivers and then rebooting to let windows install the default ones again? I was having your exact problem when I got my rift s at the weekend. I have the 4 port inateck version but I assume it works the same...

Hi I had a similar problem and was gutted as I got the card oculus themselves recommended. Even though it wasn't plugged into my motherboard or case USB 3 ports I couldn't get it to work until I disabled these ports in the bios. As soon as u did that...