2021 called
I have a Lenovo Thinkpad with Tumbleweed. It's a bit ancient, got it on e-bay for almost no money, no manual and an astonishingly good battery, I digress...
...the wifi stopped working and thanks to NetworkManager it's slightly more tricky to get into the works than it used to be.
Anyway, did you know there's a little switch on the side that turns wifi on and off?