I have literally no clue what is happening or why.
My computer is relatively new (a couple of months old). I'm running Ubuntu 20.04. I keep the computer in pretty good shape (don't do anything crazy with it, don't eat over it, if it leaves the house it's in a bag, etc.) Recently, and for no good reason, the super key (the Windows key) just stopped functioning. Thinking it was a hardware issue, I opened the console and ran showkey, which showed that when I pressed the key, the console logged keycode 240 press and keycode 240 release. So it's not a hardware issue--the key still works. But the bindings aren't working, and when I press it on its own--which should display all open windows--nothing happens.
What happened here and why? How do I fix this?