respected experts main boht hi muskil main par gya hun,,,meri hard disk 60 GB hai or system ko dobara on kya to 20 Gb ki partation hi nai show ho rahi thi,,us k bad mainy window ki to window setup main to dono 20 20 ki partations hide ho gai,,ab mery pass sirf 1 partation show ho rahi hai20 ki wo b sirf c,,,,,plz urgent help