in answer to your question i bought the computer brand new a few years ago,i haven't opened it or tampered with it in any way.
i noticed a while ago it was goin a little slower than usual and there were a few other problems,so i reformatted the drive and re-installed everything from the recovery disks.
when i last had a bsod i had quite a few things runnin,msn messenger with my web cam on, a few web pages open and music playin.
its happened four times now so i'd like to try and remedy the problem if thats goin to be possible
many thanks for your time