i have been playing battlefield 3 earlier for about 30 minutes and then all of a sudden my pc switches of and i have to unplug and plug it in again to get it to turn on, this is the 5th time this has happened while gaming and i dont know whats happening, by the way i just had a new psu it was very cheap and is not a brand known for quality could this be the problem: http://www.scan.co.uk/products/750w-alpine-alpine-750w-...
phenom x4 855 @3.3
gigabyte motheboard 1 pcie slot (dont know the model)
8gb g skill 1600 ram
1tb 7200 rpm hard drive