one of my keyboard keys (the key on the left of w) does not work, may i know how to fix it?

[Microsoft Windows]

i was just playing a game when i pressed a key and suddenly it didn't respond. i tried restarting the computer but this did not help at all. This issue has been happening before twice with my old laptop and my wired keyboard. My friends have suspected that i have pressed my keyboard too hard which caused the keys to break, but i have never hit my keyboard with much force i just tap it. It could be overheating but i have never really confirmed it. Please help.

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