Windows 10: Disable USB Power Flow When PC is Off?

Discus and support Disable USB Power Flow When PC is Off? in Windows 10 Ask Insider to solve the problem; Hello everyone. I've got a strange request/question to ask. Is it possible to disable a USB ports power supply when your PC is shutdown? For example,... Discussion in 'Windows 10 Ask Insider' started by /u/Jonni_kennito, Feb 6, 2020.

  1. /U/JONNI_KENNITO
    /u/Jonni_kennito Win User

    Disable USB Power Flow When PC is Off?


    Hello everyone.
    I've got a strange request/question to ask.
    Is it possible to disable a USB ports power supply when your PC is shutdown?

    For example, if I connect a USB cable to my PC to charge my phone it will still charge when my PC is off. I would like to disable this so that no USB ports allow charging or supply power when my PC is off.

    I would be guessing this is probably a BIOS change, however I thought I would ask here just in case Windows 10 has the ability to force override the feature.

    ,

    submitted by /u/Jonni_kennito
    [link] [comments]

    :)
     
    /u/Jonni_kennito, Feb 6, 2020
    #1
  2. YOLVI ELL
    Yolvi Ell Win User

    Disable "Power Surge on USB" message

    Hi David,

    If the system detects that a USB port is going over the power limit, the system is set to notify the user by default. However, since you mentioned that you're still getting the notification after you disabled the alerts, we suggest following these steps
    instead:

    • Right-click the Start button.
    • Choose Device Manager.
    • Click the drop-down arrow beside Universal Serial Bus controllers.
    • Right-click anything that has USB Host Controller in its name, and select
      Properties.
    • Go to the Driver tab and select Uninstall.
    • Restart your computer. The driver will be reinstalled automatically.

    Let us know if the error notification disappears after following these steps.
     
    Yolvi Ell, Feb 6, 2020
    #2
  3. DIA01
    Dia01 Win User
    USB power required when PC turned off

    Disabled selective power standby as well, still no luck with any of the suggestions.
     
    Dia01, Feb 6, 2020
    #3
  4. MONICA CAM
    Monica Cam Win User

    Disable USB Power Flow When PC is Off?

    USB powered external hard drive will not power down.

    Hi Vikki,

    To help resolve your concern with USB powered external hard drive issue, you can refer to the steps below:

    • Press Windows key + R on your keyboard, type
      devmgmt.msc, and then hit Enter.
    • Expand Universal Serial Bus controllers.
    • Right-click the USB Hub, and then choose Properties.
    • Click Power Management tab, and then enable Allow the computer to turn off this device to save power
      option.
    If the issue persists, you can consider contacting your device manufacturer for advanced assistance regarding BIOS settings. The
    BIOS has unique USB port settings that can manage its power/electric flow.

    Should you need further assistance, feel free to get back to us.
     
    Monica Cam, Feb 6, 2020
    #4
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Disable USB Power Flow When PC is Off?

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