According to the motherboard manual I was supposed to plug USB devices into the Intel USB ports before installing the driver for the VIA VL800 USB controller in Windows 7 x64, but apparently I was wrong about which ports those were and installed the driver with a device plugged into a port. Now the VIA USB 3 root hub driver won't start, displays code 10. I have tried to uninstall and reinstall the driver, the newest version from the Gigabyte website, with no USB devices plugged in. And I have tried uninstalling the driver, rebooting and disabling the VIA USB controller in the bios, rebooting then re-enabling the USB controlller and starting again, nothing is working, the device shows an exclamation point and says it can't start (code 10).
What can I do to get this driver installed correctly so I have more than 2 USB 3.0 ports?