I'm using hp lap top that my sister dropped water on it ! it stopped working for a while but when it start to work again certain letters were missed up ! when I press one letter 2 letters appears! when I press n it comes nh , when I press h it comes nh ! , and also with
b , when I press it it comes bg , and when I press g it comes bg ! and also = is =' , and + is +" !! it's like the opposite or something! so what should I do ?