Can't Shut Down with WinKey-X-U-U -- Restart Instead

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  1. Posts : 4,224
    Windows 10

    It's always something. But this time, it's something weird and interesting. Never ran into that one, before. USB definitely has its eccentricities. Glad you got it sorted.
      My Computers

  2. Posts : 25,066
    10 Home x64 (21H2) (10 Pro on 2nd pc)

    beau said:
    Well, well well . . turns out the culprit isn't Windows or the NUC, it's an older USB hub with a power switch...
    Well I never :)

    Have a look in Device Manager. A USB Hub generally has a 'Power management' tab, and that tab generally has an 'allow this device to wake the computer' tick-box. Maybe it was ticked?
      My Computers

  3. Posts : 43
    Win 10 Home
    Thread Starter

    Device Manager > Universal Serial Bus controllers has a "USB Root Hub" and a "USB Root Heb (USB 3.0)" and each has, under Power Management:
    "Allow the computer to turn off this device to save power", which had been checked, so I unchecked it
    "Allow this device to wake the computer", which was greyed out whether or not the other was checked.

    But unchecking the first didn't prevent re-start after WinKey-X-U-U.

    So the easy thing to do is just not hit the power button on the hub until Windows has started, and always turn off the hub before shutting down. I just have to remember it each time
      My Computer


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