You need a USB keyboard, does not have to be Apple, so long as it connects via USB. Could you take your Macbook with you to a computer store and ask if you can test one of their USB keyboards?
Ok I will do it. Thank you so much. You interest my problem for hours. Thank you very much.
You are very welcome - we all try to help each other in these discussions. It was Tom Gewecke who had the crucial insight that your keyboard could have keys that are stuck.
I think you are right because it work regular very rare when I pull buttons. Thank you so much
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