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

flashko October 17, 2021, 1:57pm 2

Maybe the problem is in the drivers.

Topic		Replies	Views
Ports (COM and LPT) IDE 1.x	5	2273	May 5, 2021
cant find Arduino UNO (COmxx) under Ports (COM & LPT) IDE 1.x	6	5617	May 5, 2021
Non-responsive Arduino Uno IDE 1.x	4	1263	May 5, 2021
Arduino not showing as a COM Port IDE 1.x	5	1553	May 5, 2021
broken arduino? IDE 1.x	11	1513	May 5, 2021