Oh cool I CAN take off these keycaps let's have a look at this numpad 7 key that's glitchy on this keyboard...
Oh.
There's.... Literally nothing physically wrong that I can see. Unless there's something conductive UNDER the switch... If that's the case though I think I'm boned
@Nine yeah that looks like a membrane keyboard
@Nine could also just be one of those cases of "opening it up and putting it back together fixes it"