Hello! I am pretty new to Arduino so if I missed something I am deeply sorry in advance. My problem is that when I plug in my Arduino UNO board it is shown in the Device Manager as USB2.0-Serial and no new COM ports are shown after plugging although there is COM1 and LPT1 even if the Arduino is not …

No problem See here : https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all

Arduino is not showing in COM ports

missdrew October 17, 2021, 2:19pm 3

I doubt you have an Arduino UNO! You probably have a clone, provide a link to where you bought it!

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