Windows 8 and 8.1 Forums

USB Devices Don't Work in Windows

  1. #1

    Posts : 3
    Windows 8.1

    USB Devices Don't Work in Windows

    Hi All,

    So, I turned on my computer this morning and ran into a fairly significant issue - none of my USB devices will work. That means no keyboards, no mice, no nothing. I've tried about a half-dozen keyboards and mice, and none of them work. I've plugged them in before they were started up, after windows was booted, and into every port in the computer (including the USB 2.0 port directly on the motherboard).

    But here's the really, really weird part - when I boot into windows, the devices stop working entirely, including in the UEFI startup screen. The only way to get back into the UEFI menu is to press the CMOS clear button. Then, the keyboard works until I boot back into Windows, at which point it's completely useless and won't even light up.

    I'm running Windows 8.1 on an Asrock Z87 Extreme 6 motherboard.

    It's also worth mentioning that I was having some trouble where my new Corsair keyboard wouldn't work until I logged in, which had to be done with the mouse, but this is very different. Those issues went away a couple of months ago, and I haven't had anything like that since.

    I don't have a PS/2 keyboard on-hand, or an adapter, so I'm at a bit of a loss there. I also obviously can't login to the computer, so I'm not sure how to work on any drivers or anything like that.

    Thanks for any help!

      My System SpecsSystem Spec

  2. #2

    What USB devices are plugged in? Is it only mouse and keyboard? If you have any other devices plugged in, unplug them for now and see what happens. If that doesn't help you may be looking at having to reinstall 8.1.

    If so, you can get an ISO here to burn a install DVD or create a USB flash drive to install from: Windows 8 and Windows 8.1 ISO - Download or Create

    With the above, you can also try a System Restore from a booted DVD or flash drive:


    Boot to Advanced Startup Options from Windows 8 or 8.1 Installation Media

    here: Startup Options Menu - Boot to in Windows 8
      My System SpecsSystem Spec

  3. #3

    Posts : 3
    Windows 8.1

    Everything is unplugged except for 1 keyboard at a time. I tried to boot into the windows 8 CD I have, but I have the same issue with my various keyboards not working as soon as I hit the windows CD screen, and I have to clear the CMOS.
      My System SpecsSystem Spec

  4. #4

    United States
    Posts : 3,093
    Windows 8.1 Pro 64-bit

    Maybe BIOS corrupted? Sure sounds like a weird problem.
      My System SpecsSystem Spec

  5. #5

    Posts : 3
    Windows 8.1

    I also cannot boot correctly into an arch live USB. The keyboard fails to connect properly, then it tries to mount the live USB to the OS, which also fails, and implies to me this is more of a motherboard problem.
      My System SpecsSystem Spec

USB Devices Don't Work in Windows
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