Windows 10: USB COM Port mess

Discus and support USB COM Port mess in Windows 10 Drivers and Hardware to solve the problem; I had an Arduino UNO happily connected to my COM3 port via a USB hub. Last week, I needed to install a FTDI USB-UART adapter and had problems with its... Discussion in 'Windows 10 Drivers and Hardware' started by DHHJ, Jun 1, 2020.

  1. DHHJ Win User

    USB COM Port mess


    I had an Arduino UNO happily connected to my COM3 port via a USB hub. Last week, I needed to install a FTDI USB-UART adapter and had problems with its drivers. Eventually I got it going.

    Now here's the problem- whenever I plug in my Arduino, Windows thinks its the USB-UART adapter and assigns COM3 to it. I've tried updating the Arduino driver but Windows doesn't see it (thinks its a UART now?). I've tried deleting and reinstalling but the Arduino still shows up as the UART.

    How can I get back to where I was, with the Arduino happy again?! Thanks,

    DHJ
    Windows 10-1909

    :)
     
    DHHJ, Jun 1, 2020
    #1
  2. spapakons Win User

    USB Port Oddities


    Ok, let's see it with pictures step-by-step. First right-click on the USB device and select Update driver software:


    USB COM Port mess [​IMG]


    Then select Browse my computer for driver software (LAST option) :


    USB COM Port mess [​IMG]


    The select Let me pick from a list of device drivers on my computer (LAST option) :


    USB COM Port mess [​IMG]


    Then select the standard driver from the list and click next:


    USB COM Port mess [​IMG]


    Click next/OK as required to complete installation. Repeat the steps for all Intel USB devices. Finally click on each USB root device and press DEL to delete it, reply YES when asked. After deleting all USB root devices restart the computer.

    I hope this is detailed enough...
     
    spapakons, Jun 1, 2020
    #2
  3. USB Ports

    Hi Homer,

    We'd like to ask a few questions to help us isolate this problem.

    • Have you tried connecting your device tracker to a different USB port on your computer?
    • If so, was it detected?
    • Did you receive any error messages?

    To address this issue, we suggest that you follow the troubleshooting steps shared by Praveen Venogupal on this

    link
    .

    Let us know how it goes.

    Regards.
     
    Vanessa Yar, Jun 1, 2020
    #3
  4. Mark Ole Win User

    USB COM Port mess

    USB ports

    Hi Frank,

    Inserting and removing a USB device repeatedly may cause the USB port to stop responding. When the port is in this state, it no longer recognizes any USB device, and the USB device will not work.

    Here are few things that you can do to resolve the issue:

    Use Device Manager to scan for hardware changes. After your computer scans for hardware changes, it might recognize the USB device that is connected to the USB port so that you can use the device.

    To scan for hardware changes, follow these steps:

    • Click Start, and then click Run.

      Note If you are running Windows Vista, click Start, and then use the Start Search box.
    • Type devmgmt.msc, and then click OK. Device Manager opens.
    • In Device Manager, click your computer so that it is highlighted.
    • Click Action, and then click Scan for hardware changes.
    • Check the USB device to see whether it is working.

    Turn off Allow the computer to turn off this device to save power.

    • In the Device Manager dialog box, expand Universal Serial Bus controllers, right-click USB Root Hub, and then click Properties.
    • In the USB Root Hub Properties dialog box, click the Power Management tab. Uncheck the
      Allow the computer to turn off this device to save power
      box.

    Let us know how it goes after performing the suggested troubleshooting steps.
     
    Mark Ole, Jun 1, 2020
    #4
Thema:

USB COM Port mess

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