Some keys stopped working on Dell windows 10?

I was just playing a game called Minecraft on my computer when some of the movement keys for Minecraft stopped working. Only the keys I use for Monecraft stopped working (W.A,S,D, Capslock key from typing, and r button for 3d preview). And they don't just not work for Minecraft but they don't work for the whole computer. I can't even log in to my user on my computer because it won't let me put it the specified keys for my passcode. Can anyone help me with this?

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