Hello, I have similar problem, my RP2040Connect(with my program) suddenly stop working and no com port showing in my Windows 10. I have tried all the suggested procedures: reset the board (double press reset) reset with GND and REC jumper copy and paste the blink sketch to mass storage. the file …

No port for Nano RP2040 Connect even after installing Blink UF2

in0 October 23, 2021, 6:48am 4

It's a more technical term for the pin labeled "REC" on the board's silkscreen:

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