I still have this problem, and so do several others.
I have tried every solution. it works, and then the same problem reappears after maybe two weeks.
Everything is fine, and suddenly a key wont respond for a second. Then its like a snowball; gradually, every fifth time i press a random key, it doesnt respond. It seems like this intermittent lag, because i can see my cursor show the loading symbol every time i experience this lag/unresponsiveness in the keys.
It came to my knowledge that this problem appears at the same moment as the keyboard light dissapear, or wont turn on, the same regarding the small light on the keys showing that for instance caps lock is activated, or the sound is muted.
I can press these keys, and even if the caps does activate once for every third/fourth/fifth/sixth time i press the key, all the lights still dont appear.
I spent way too much money on this laptop, to be experiencing this problem and not getting any kind of help. I am dependent on a fully functioning and reliable laptop as im using it everyday for a masters degree.
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