For what is BSODs, please go google it, you will get tons of definition.
When you get BSODs, your computer will create a minidump file, which can tell us what is going on in your computer at the time of BSODs, what cause BSOD. Sometime, the minidump file doesn pretty good job, but sometime, it can point to wrong cause. If that is the case, we have to look at more things etc....
Please follow this instruction to know what you supposed to do if u wanna ask us about BSODs http://www.sevenforums.com/crash-loc...d-problem.html