plz help me mera pen drive format nahi ho raha hai

[Rakesh]

ASA kaise ho it members? aaj phir doston ki help ki jaroorat pdi hai. Mere pass 4gb ka ek kodak company ka pen drive hai jo format nahi ho raha hai,na hi koi us par I/O operation kam kar raha hai.'unable to complete the format' ka msg ata hai.mene 'hp format tool' ka bhi use kia vo bhi nakamyab rha aur windows ke sabi tool use kar chuka hun.lekin sab fail hue hen.kya karun usb ka guarntee card bhi kho gaya hai.plz help.images bhi sath bhej raha hun.