imsoaddicted:And none of them works? Then the only thing that comes to my mind is that the port they get into to get attached to the back of your case has some problem with it. Are they using USB ports? If yes, try changing the port and see what happens.
(esconder) Mantenha a sua Caixa de Mensagens limpa, Arquivando mensagens importantes e usando regularmente a opção "Apagar TODAS as Mensagens". (pauloaguia) (mostrar todas as dicas)