A.O.A, I have intel core 2 quad (2.5 GHz), 2 gb ram, graphics card 798 MB, direct x 11 version, with window 7. Mera masla ye hai k jab b main koi heavy game play karta hoon like NFS underground 2, to mera pc kuch he minutes baad restart ho jata hai, aur bar bar aise he karta hai. lekin normal use main ye kabi restart nai hota. wese bhot acha chalta hai, sirf games chalate waqt he aisa karta hai. plz mujhe ye bata den k ye aisa q kar raha hai aur mujhe kis cheez ki zarurat hai is problem ko solve karne k liye. Thanx