Hello, so I bought a gaming laptop, MSI GT70 0NC, with a Core i7 2760 QM 2.4 GHz, an Nvidia GeForce GTX670m 3GB DDR5, 16GB of RAM, and Sometimes it gets really slow, it freezes, and I can't even run GTA IV at high settings, I'm stuck at the lowest settings, I bought it by Steam, but I have also tried other games such as Dead Rising 2, Halo 2, old games that shoul run really smooth. And they don't. Can anyone help me?