hi , my sys config is AMD 64 3200+ , MSI RS 480 M2-IL, 2* 80 gb sata segate running in raid 0, 512 mb and 256 mb @400Mhz kingston n zion respectively. xfx 6600pci-e 256mb, lg dvd rw, i ball 400w smps , chalta hai frontech cab. with 2 sys fans. and stay in gangtok wey temp normally is cold . the sys hangs frequentlywhile playin HL2 in 1024* 768 , all high no AA. i don hv win xp 64 bit ed. i cant pin pt the prob. please help. got the sys 15 days back.