1.    07 Sep 2017 #1
    Join Date : Apr 2017
    Posts : 17
    Windows 10 Creators Update

    USB device still running after laptop shut down


    Brand new Dell XPS-13, Win10 CU

    After I properly shutdown my laptop and unplug AC power why are the USB-powered fans still running in my laptop cooling pad?

    Also, 100% charge, shutdown, not run for 48 hours, start up, why is the charge down to 90%?
      My ComputerSystem Spec
  2.    07 Sep 2017 #2
    Join Date : Mar 2014
    Cape Breton Nova Scotia ,Canada
    Posts : 3,511
    insider build 10586.3 win10 pro 64

    Quote Originally Posted by dangnad2 View Post
    Brand new Dell XPS-13, Win10 CU

    After I properly shutdown my laptop and unplug AC power why are the USB-powered fans still running in my laptop cooling pad?
    motherboards hold power for awhile, if you hold down the power button after the shutdown,to drain all power from the laptop ,do the usb cooling fans shut off

    Also, 100% charge, shutdown, not run for 48 hours, start up, why is the charge down to 90%?
    if the the cooling pad comes on when the laptop is turned on that would account for some of the 10% ,my laptops always used 3to5% on bootup ,the longer the boot took the more they used
      My ComputerSystem Spec
  3.    07 Sep 2017 #3
    Join Date : Jan 2014
    Inverness
    Posts : 1,190
    Win 10

    There are "charging" USB ports (there is one of the three USB ports on my new Dell Inspiron 15) that still have USB power when the PC is powered off. That is most likely the issue with yours. My Desktop has option to have a charging port (BIOS option).

    There are many different XPS-13 models (e.g. XPS 13-9365 for example). Post the exact model and I can look at the Dell documentation for your specific model.
      My ComputersSystem Spec
  4.    07 Sep 2017 #4
    Join Date : Aug 2016
    S/E England
    Posts : 4,516
    10 Home x64 (1709) (10 Pro on 2nd pc)

    A USB charging port is identified with a lightening symbol next to the USB one. Mine has a bios option to choose if you want it to be powered (or not) when you turn off the PC.

    Identify USB 3.0 & Charging Ports By Looking At The Symbols Next To Them | AdictiveTips
      My ComputersSystem Spec
  5.    07 Sep 2017 #5
    Join Date : Apr 2017
    Posts : 17
    Windows 10 Creators Update
    Thread Starter

    to fireberd: XPS-13 9360
    to Bree: I don't intend to charge anything with it. Tell me how to turn it off.
      My ComputerSystem Spec
  6.    07 Sep 2017 #6
    Join Date : Aug 2016
    S/E England
    Posts : 4,516
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Quote Originally Posted by dangnad2 View Post
    to Bree: I don't intend to charge anything with it. Tell me how to turn it off.
    You may need to look for USB PowerShare in the documentation for your specific model. Dell's general Help is here...

    Dell | Knowledge Base | USB PowerShare Feature
      My ComputersSystem Spec
  7.    08 Sep 2017 #7
    Join Date : Jan 2014
    Inverness
    Posts : 1,190
    Win 10

    According to the Dell documentation the USB port on the Right side is the power share port.
      My ComputersSystem Spec
  8.    08 Sep 2017 #8
    Join Date : Apr 2017
    Posts : 17
    Windows 10 Creators Update
    Thread Starter

    Thanks y'all for your replies. Just knowing that by design my USB ports are always hot makes me feel a little better.
      My ComputerSystem Spec

 


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