Hello everyone, i'm here to find some helps to my problem.So here my configuration : CPU : i7-4790 (clock to 4.2ghz)MB : Asus Maximus Ranger VIIRAM : 2x G-Skill Rip-Jaws 4Go CL9 1600MhzGraphic : SLI Evga GTX 470PSU : Corsair RM8502 HDD & 2 Optical Dr...