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Forum Index : Microcontroller and PC projects : Windows COM ports disappeared

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pqjim
Newbie

Joined: 17/03/2024
Location: United States
Posts: 1

Posted: 08:10pm 08 Jan 2025

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Hi, I used search field to look for help, but it displayed many posts with the word "come". So I apologize if someone has already asked this:

In August I was able to use USB to connect to my Raspberry Pi in a terminal emulator on Windows 10 to load MMBasic programs.

Tried to connect this week (January 2024) and COM support was missing. Went into Device Manager in Windows and there were no virtual COM ports!

In the terminal program the only connection choice is now TELNET TCIP - no more serial COM Ports.

This is driving me crazy! Did Microsoft remove COM ports in a Windows upgrade?

I can send screen shots if that is helpful.

Thank you, thank you, thank you!

Jim

PhenixRising
Guru

Joined: 07/11/2023
Location: United Kingdom
Posts: 1360

Posted: 08:18pm 08 Jan 2025

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Happened to me just yesterday and it has happened before. In my case it was after selecting an "invalid cpuspeed".

I tried all the usual refresh stuff in device manager but the only thing that brings it back is plugging my PicoMite into a different socket on my hub. I get the original comport number, no problem but I need to switch sockets.

PeteCotton

Guru

Joined: 13/08/2020
Location: Canada
Posts: 543

Posted: 08:23pm 08 Jan 2025

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It might also be worth checking the USB cable you are using. Is it the same one you used back in August? I've had some that seem to be power only (phone chargers) and don't carry data.
Edited 2025-01-09 06:23 by PeteCotton

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