Hello, as the title suggests, I cannot select a port as it is simply greyed out. I looked for a solution but it either didn't work, talked about a different operating system, or was too confusing for a newbie like me to understand. A quick rundown: I have an Arduino UNO, when I connect it to my PC…

You need to install the driver for the CH340 USB to serial adapter chip used by your Arduino board. You can install the driver for the CH340 USB to serial adapter chip used by your Arduino board by following these instructions: Open the page on the Chinese manufacturer of the CH340's website that …

Port option greyed out

Development Tools IDE 1.x

pert August 9, 2021, 8:53am 2

Do you see any new device show up in Device Manager when you plug in your Uno?

Did you use the same USB cable to connect it to the laptop as you did when connecting it to the PC?

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Port option greyed out

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