W, 2 and f1 keys simultaneously not working

[Microsoft Windows]

I try to use my keyboard, and all the other keys work perfectly fine. But I try to use any of the aforementioned keys and they don’t work. The thing is, they’ll suddenly all start working at once, and then they all stop working together. What is the problem??? I notice all these keys are close together. But I don’t think I’ve spilled anything.

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