salam
me acer aspire d260 par windows install kar raha hoon laikan buhat hi slow windows kar raha hai aur jab start karta hoon to blck screen kai min tak rehti hai aur phir slow slow kam karta hai

is ki kia waja hai me ne cd bi change kar ke dekhi hai uar dvd bi change kar ke dekhi hai laikan buhat slow kam kar raha hai windows bi install buhat hi slow kar rhah hai me kese windows karon speed buht slow hai