Certain laptop keys are not working properly anymore?

sa
1

3 keys are not working properly anymore.

There are exactly 3 keys: d, q, r

Sometimes they work again but mostly not. If one works, everyone works. Say they do not work at the same time or just yet.

Why is that and how do I fix it?

ch

This is a hardware defect. I also schonmal, only with more buttons. I had to swap the keyboard

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