No usable serial ports found

I get this message on my old Windows VISTA system. The PBasic programs used to run on COM Port 4. The programs run fine on COM port 3 on my Windows 10 computer. Any ideas?

Thanks

Flasher

Comments

  • 2 Comments sorted by Date Added Votes
  • Check your Control Panel under Mouse Pointers. Older versions of Windows had the nasty habit of interpreting random characters coming from a serial port as emanating from a mouse, then "confiscating" that port for mouse use. You can disable said "mouse" in the Control Panel.

    -Phil
    “Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away. -Antoine de Saint-Exupery
  • Thanks Phil for information on the port trouble.

    A friend suggested attaching something to a wheel and using that to make a noise.

    Thanks for asking the question originally.

    Flasher
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