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

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  1. Posts : 4,224
    Windows 10
       #11

    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.
    --Ed--
      My Computers


  2. Posts : 25,066
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #12

    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
       #13

    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
    and
    "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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