prothomei sobai k sorry janasci je ami bangla likhte pari na.. amar computer a akta problem hoysche tai ami ovigo vider kasche theke kisu advice jante chai. amar computer er configuration ta age boli processor intel core i3 3.10 gh motherboard intel wb original ram 4 gb had disc : 1 tb kintu jokhoni kono file transfer korte jai computer theke je kono pendrive tokhono mul problem a pori ta hosche file transfer rate second a 2.10 mb but ato slow kamne holo ami kisu bujhte parschi na . keu boplsche hard disc er problem . abar keu bosche hard disc format korte hobe abar keu bolsche hard disc er partition ta venge felte hobe . bujhte parschina ami akhon ki korbo.......!!!!!!!!!!!!!! doya kore keu janle janaben Ami akhon ki korte par.........