deskthority

You are right when I shake the "S" key, the "base" of it moves a little bit. When I tried it on another key, specifically the "D" key, the "base" of the key didn't shake. So I'm guessing that the "S" key was not attached properly, or was moved by me tapping it hard.

Edit: I think the lower right ...

I tried replacing the keys, but it seemed that the problem was the mechanism, not the 'key case'.
Can you describe with more detail what you did here?

Did you order it from Amazon? Is it new enough that you could get it replaced under warranty?

Do the other keys like W, A, D have the same ...

Wodan wrote: Must be one of the few keyboards made entirely with MX Lock switches.

Edit: Take a closeup pic of the switch

Here you go
https://imgur.com/a/M2YczEQ

Muirium wrote: People are going to want to know the keyboard in question. There’s a whole world of them in the category! With wildly different switches.

My keyboard is the Redragon Kumara K552-1. And I don't really know the kind of switch it is.

I was playing a game where I had to hold down keys to match with the beat. For a few weeks, the 'S' key had been fine. I don't know what really happened, but there was this time when I held down the 'S' key, and there were times that it was releasing it. I figured out that when I rock the 'S' key ...