Mery pass Dell ka dual core 1.83 processor and 1 gb ram ki specification ka laptop hai. kuch dino se jab laptop 1 hour tak chal jata hai to is ki speed buhat slow ho jati hai aur awaz bhi aney lagti hai laptop se. pehle to Window 7 pe theek speed thi magar ab windows XP pe bhi speed kam ho jati hai. kia reason ho sakti hai?