I just can't get the USB 3.0 speeds I got under Windows 7. In my case, the eXtensible host controllers are being identified correctly. If the eXtensible controller is not being identified correctly on a system, something certainly needs attention. I was a little surprised by the New drive I got today because of the different type of connector. I have run 3 external drives/docks and all seem to work. No one, that I noticed, has really enumerated the USB devices they are having problems with. Commonalities might help narrow down the problem. And I notice some external devices also use that chip. It seems the VIA chipset has been mentioned in this thread several times. So, if it will not work after the OS is installed, then it might be something else. If you already know for sure that port will not work with Windows 7, then if the install continues beyond selecting Install and maybe the Key entry with Windows 8, you know your system is capable. To test, I would put a USB 2.0 flash drive in a USB 3.0 port then try to install Windows 8. It might add another piece to the puzzle knowing this fact. I hadn't made any changes before this occurred.I was wondering if it would be any benefit to test your system to see if it could use the Windows 8 Built-in USB 3.0 drivers. While I've found the driver page for the motherboard on the MSI website it isn't obvious if any of those include the usb host controller. Included screenshot of device manager and properties window for the problem (sorry about the extra screen, keypad-mousing makes cropping the image and moving windows around pretty much impossible) Is this likely to be a hardware fault? Are any of the drivers on this page the ones I need? 64 I hadn't made any changes before this occurred. I'm only able to even use the computer now through the PS/2 port for keyboard, controlling mouse via numpad, and with wifi in the one working 3.1 gen 2 port. My USB 2.0 ports weren't (and still aren't) working, so it's not just 3.0. I tried updating the drivers through windows, which changed it to USB xHCI Compliant Host Controller, but I've ended up stuck in the same place with the same errors. It was originally Intel(R) USB 3.0 eXtensible Host Controller - 1.0 (Microsoft). The requested operation was unsuccessful. I've tracked it down to the USB host controller through device manager - it has an error icon on it, and in the properties screen it says this in device status:
Yesterday my USB ports stopped working except for the one USB 3.1 gen 2 port.
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