Hi I have a gateway fx gaming laptop with an nvidia 512 graphics card and I've had this laptop for about 3 years now. Today I was playing WoW and my computer froze in the middle of the dungeon, I thought to myself no biggie. So I turned off and turned back on my computer and tried to get back in. The game loads and as soon as I zone into the dungeon my screen goes pixelated and freezes again. Now when I turn on my laptop the loading screen has a big blue line down the middle and faded blue lines horizontally right next to it. Help please?