I might be able to help a little cuz I kinda help people with computer problems for a living. 
In my experience the most common cause of bluescreens is a damaged/faulty RAM stick. I don't know if you already tried this but you should run the program Memtest86 (http://www.memtest.org/) to see if your RAM is ok.
In my experience the most common cause of bluescreens is a damaged/faulty RAM stick. I don't know if you already tried this but you should run the program Memtest86 (http://www.memtest.org/) to see if your RAM is ok.
