Plzzzzz solve dis

solve this

My pen dribe is unable to format by windows cd..and when i will format this by command prompt then it will shw a msg like its Raw type use file system and i will use dis command
format j: /fs:fat32/v/q:j and then enter but it is not working..nd nw the problem is not solved plzzzz suggest me a good and realiable way to solve dis prblm