Issues with keyboard on my HP laptop after replacing battery and hinges

[ANNXS]

I have issues with typing on my keyboard after getting my battery and hinges replaced on my HP laptop. This is an occasional and seemingly random problem i keep encountering while typing on word or just playing valorant. As im typing this as well, it will randomly turn on sticky keys and just type different dialectical (?) sounds (basically letters but with pronunciation marks idk what those are called technically). the only things that seemed to have worked, with unpredictable results is 1) running ALL the diagnostics on hp support assistant and hp UEFI diagnostics (that hasn't worked since)

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