Hello, I am starting this topic, because I am willing to upgrade the GPU of my Alienware m17x r4 :  - Win7 64x - BIOS A05 (normal not unlocked)  -16go RAM -AMD 7970m  -FHD 60hz screen (I bought a couple of weeks ago a new alienware m17x R4 3D 120hz screen with nvidia 3d vision 2 glasses, for those who might ask I tried to use it, but i got 8 beep the screen won't work).  I really need your help in order to buy the GPU depending on your answers. I've been saving mo