How do I fix my Lenovo laptop shutting down randomly?

[Leo_1112]

I use a Lenovo IdeaPad 3 15iil05After a few hours of using it, it makes a zapping noise like what you'd expect if you put like a fork in an outlet or something. I don't know though, I've never done that. When it makes the zapping noise, it turns to a black screen, sort of a dark black-blue color like when your laptop is in the process of turning on.My laptop has experienced minor water damage before, it's held together by packaging tape, about 3 years old, missing one screw, and I believe that's the extent of its previous issues.

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