USB ports stopped working


  1. ButterFace
    Posts : 3
    Windows 10
       New #1

    USB ports stopped working


    Three of the four USB ports on my Intel nuc8i3bek stopped working reliably, all of a sudden. They will occasionally all work for a couple of minutes (at the same time), then go on and off about once per second for a couple minutes, then stop working again.

    I have tried, to no avail:
    -restart computer
    -look at device manager for anything unusual (no)
    -uninstall USB controller from device manager and restart computer
    -disable selective suspend setting in advanced power options and restart computer
    -uninstall recent Windows updates
    -reinstall recent Windows updates
    -check BIOS for anything unusual (no)

    I finally decided to do a clean installation from a bootable Windows 10 installation thumbdrive, assuming it was an operating system problem, but the thumbdrive was not recognized on my first attempt, then it was on the second, but installation was halted after a few minutes with an error.

    The only unusual thing that happened before the usb port problem, is that I installed the cumulative updates KB4565627 and KB4565503 a couple of hours before this started happening. During those couple of hours, I was using the computer with an external hdd connected with no problems.

    So the fact that I was not able to boot from and/or install WIndows 10 from a bootable flash drive means that the problem is purely at the hardware level? Or could the WIndows updates have messed up something at such a deep level to cause this? I bought the PC used used off Amazon a month ago from a 3rd party seller with good customer feedback, and the 30-day warranty expired two days ago. I have messaged them, asking for a courtesy replacement, but it would be great if I can get this working properly on my own.

    Thanks for any suggestions.
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  3. dalchina
    Posts : 35,614
    Win 10 Pro (21H2) (2nd PC is 21H2)
       New #2

    Hi, A relatively simple way to check this would be to boot your PC from a live boot disk, independent of your installed O/S.

    If the ports still don't work, well... that really suggests one conclusion.

    Google can help- there are linux boot disks, and at least 2 Win 10 ones:
    Kyhi's (member of this forum); Bob Omb's.
    More:
    The 5 Best Rescue and Recovery Disks for a Windows System Restore

    Note: you need to know how to create a bootable disk from an iso file. The tutorial here on 'create bootable disk to install Win 10' includes suitable guidance.

    Note: you haven't stated your current Windows build despite the forum's prompt to do so.
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  4. Steve C
    Posts : 7,137
    Windows 10 Pro 64 bit
       New #3

    Do the USB ports connect by a cable to the motherboard? If so, check the security of the connections.
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  6. ButterFace
    Posts : 3
    Windows 10
    Thread Starter
       New #4

    Steve C said:
    Do the USB ports connect by a cable to the motherboard? If so, check the security of the connections.
    The connections are solid.
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  7. dalchina
    Posts : 35,614
    Win 10 Pro (21H2) (2nd PC is 21H2)
       New #5

    Use a live boot disk to confirm - post #2
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  8. Megahertz
    Posts : 4,097
    Windows 7 HP 64 - Windows 10 Pro - Lubuntu
       New #6

    If all are failing at the same time, it isn't a socket problem. Is the controller.
    The USB ports are controlled by the chipset.
    Open Device manager. Is there any yellow alerts of missing drivers?
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  9. ButterFace
    Posts : 3
    Windows 10
    Thread Starter
       New #7

    Megahertz said:
    If all are failing at the same time, it isn't a socket problem. Is the controller.
    The USB ports are controlled by the chipset.
    Open Device manager. Is there any yellow alerts of missing drivers?
    Nope, no yellow alerts or missing drivers. One of the 3 ports continues to work properly.

    - - - Updated - - -

    - - - Updated - - -

    The seller is sending me a free replacement. Thanks for all the suggestions, y'all!
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