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Shychologist Honor Student
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My USB 3.1 extensible host controller keeps dsappearing in the device manager.

HP Spectre x360 - 15t-bl100 CTO
Microsoft Windows 10 (64-bit)

Because of this problem, I reinstalled windows multiple times.

Just after reinstalling, I can find the controller in my device manager.

But a little after, it disappeared. Only USB3.0 left.

I installed numorous Intel drivers files to fix it, but they didn't wark.

What should I do?

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My USB 3.1 extensible host controller keeps dsappearing in the device manager.

@Shychologist

 

Thank you for posting on HP Forums, MKazi is at your service. 

 

I understand that you have an HP Spectre x360 - 15t-bl100 series notebook and the USB 3.1 extensible host controller keeps disappearing in the device manager. 

After reinstalling Windows it appeared for a while and then disappeared again. I'll be glad to assist you with this case.

 

To assist you with accurate information I would require more information regarding this: 

  • Are you facing any issues with the USB connections?
  • Are all USB devices being detected by the laptop?

While you respond to that. I recommend you to download and run the HP Support Assistant tool. This tool will scan and install the required drivers for your laptop:

  • Click here to download the HP Support Assistant.
  • Click My devices on the top of the HP Support Assistant window, and then click Updates in the window for your device.

    Figure : Updates in the My PC box

    The Updates window opens.

  • If HP Support Assistant detects updates, a list of updates displays in the Updates available window.

    Figure : Updates window

     Updates window
  • To check for recent updates, click Check for updates and messages.

    HP Support Assistant connects to the HP servers and performs the following actions:

    • Downloads messages and updates

    • Gathers configuration information

    • Analyzes your computer system

    • Prepares an action list

    If HP Support Assistant finds updates, they display in the Updates available window.

    Figure : Updates available window

    Updates available window
    • To postpone or delete a current update, use the following steps.

      1. Next to the message you want to postpone, click Remind me.

      2. Select Tomorrow, One week, or One month, depending on when you want to be reminded.

    • To delete an update, click  next to the update.

    • To install the update now, click the Install now icon () next to the update.

    • To review completed and postponed actions, scroll down to the Action log section.

You may restart the laptop once the HP Support Assistant tool finishes installing the required updates.

 

If the issue persists then please perform the Windows operating system updates:

In the Windows search bar, search for and open check for updates.

If there are any available updates, they begin installing automatically.

Figure : Windows Update window

Windows Update window

 

I sincerely hope this fixes the issue. Keep me posted for further assistance.

 

All the best! 🙂

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