Battle field 3 Bsod

[PrOoD_KiLLeR]

I don't know how to start this but anyways!! A few days ago my bf3 was working perfectly but yesterday when i tried to lower the resolution of the game as soon as i lowerd it i got blue screen of death i dint pay attention to the code on the screen so i restarted then i tried starting the game again as soon as i started the game i got the blue screen of death with this showing STOP: 0x0000007F Please help im not a computer techie or anything but with ur help i can fix this problem and if u need any pictures of the error please tell me ill upload them .

 

[technoholic]

here is what that code means :
http://support.microsoft.com/kb/137539
probably a ram failure? maybe power?

 

[PrOoD_KiLLeR]

im not a techie guy i can send u a picture if u want

 

[PrOoD_KiLLeR]

Processor - Penium Dual core e5700 @3.0 ghz
Graphics card - Ati radeon 5670 hd 1gb ddr5
Ram - 2gb

I dunno how to check the driver versions sorry