I recently got a Lenovo T420 with windows 10 already installed. Its been great but I think there is something wrong with the USB drivers or something. Only one port shows up in the IDE (also its port 3??) (also its still there after I unplug everything ):). Here's the error message: "avrdude: st…

Have you installed the CH340 drivers for that CLONE ? They are not provided by the IDE. Simply do a forum search for CH340 and you will get plenty of hits with links :wink: Or read the info I provided !

New laptop breaks everything

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beefanual November 12, 2021, 9:35pm 5

I can't see a Com port option un the device manager. Plugging in the board does make "USB serial" show up under "other devices", and updating the drivers doesn't work.

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New laptop breaks everything

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