Recently got a PC with the following specs. 600w power supply 320gb SATA HD Asrock n68 vs3 AMD x2 250 3.0ghz 4GB ram ddr3 Dual Channel Geforce gt430 1gb ddr3 Its working fine and i'm able to play tons of HD games, but when i play Battlefield 3, after 30 mins - 1 hour of play it suddenly shuts down. Checked the heat with Speedfan: GPU: Max 61 degrees celcius CPU: Max 59 degrees celcius Core: Max 47 degrees celcius Afaik, my pc shouldnt shut down at that temperature. What can or should i do? Thanks for the help.