Samsung external keyboard

Sep 22, 2018
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It is all of a sudden not working properly. Can't type the letters n, b, a, x, and d. How can I fix it? It is a Samsung Model EE-CP905 that I use with my Samsung tablet. I charged the Keyboar but that didn't fix it.
 

rgd1101

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Question from bebe158 : "Samsung external keyboard"