'Could not open COM port' How to free up COM ports reported as 'In use'

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  • Опубликовано: 25 авг 2024
  • Sometimes COM ports fail to connect, due to them being in use. But Windows can hold onto the ports. Here's how to set them free.

Комментарии • 3

  • @DooCue
    @DooCue 3 месяца назад

    Control Panel | Device Manager | Ports | (Top Menu) View Hidden Devices
    Uninstall each greyed-out USB jack icon.
    That clears out unused, but reserved COM ports.
    I have found this an annoying problem when connecting and reconnecting virtual COM port devices. Perhaps someone can write a script to do this.

    • @richardlangner
      @richardlangner  3 месяца назад

      Thanks, that's a good way to do it. Windows should have easier options.

  • @simontay4851
    @simontay4851 3 месяца назад +1

    Windows is stupid. It doesn't release ports when it should.