bhayo Mary pas xp s2 window install hai mainy pehly administrator ka password safemod rakha tha mager mainy windows 7 install karni hai acha gab main boot hony kai lei F12 dabata hun to aata hai CD ROM administrator password required phir main apna safe mod sai administrator ka password hat a detahun magar gab main dobara PC on karta hun to F12 dabata hun magar phir bhi lekha hota hai admin pass required main gab enter kerta hun to koi letter nahi lekhta help keren