I have a zoom H4N , I put the wrong adapter in, reverse polarity I th

I have a zoom H4N , I put the wrong adapter in, reverse polarity I th
I have the zoom h4n , I put the wrong lead in, ( reverse polarity) I think, not sure, threw it away. ! It does turn on , zoom appears on screen with ver=72 in top left hand corner, that’s all , can it be repaired ? All the best , luke

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