My desktop has 2 internal sata hdd (1tb+2tb), 2 2gb ram, 1 sata dvd player, 1 1tb external hdd, intel 3rd gen dual core processor, 2 cabinet fans (12 volt each) and 450 watt smps. since few days my pc is not turning on properly, so i unplugged 2tb internal hdd, 1tb external hdd, dvd player, 2...