XPS 13 9380, Type C/Thunderbolt port suddenly stopped working
I've had my XPS 13 9380 for a couple of weeks now, and my top left Type C/Thunderbolt port stopped working this morning. After searching the forum, I tried installing the following updates, but so far nothing has resolved the issue:
I had the same problem. None of the 3 USB Thunderbolt ports would work. I tried everything I found in the online threads but nothing worked. Guess, what was the problem? The USB adapter!!!! I am sharing my experience hoping it helps, though you might have solved your problem by now.