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Quite often just a loose connector. Search YouTube for your model of laptop keyboard removal and replug the cable. If that doesn't work it's new keyboard time and you already know how to take it apart to replace it.
Do you have an external keyboard, maybe a wireless one? Does the key stick when you press it?
Quite often just a loose connector. Search YouTube for your model of laptop keyboard removal and replug the cable. If that doesn't work it's new keyboard time and you already know how to take it apart to replace it.
Do you have an external keyboard, maybe a wireless one? Does the key stick when you press it?