I am trying to upload a program to my Arduino Uno, but there doesn't appear any port. When I go to the Device Manager, it appears as USB Serial (not as Unknown device), and when I connect it to another computer, it appears as USB-SERIAL CH340 (COM4). I don't think the problem is with the Arduino o…

Did you install the CH340 driver? If not, it'll show only USB Serial in the device manager.

[SOLVED] Port doesn't appear when using Arduino

ledsyn October 15, 2023, 8:32pm 2

If you're using Win 11, this link might be of interest.

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