gonna ave to wait till all the way next friday, my only day off work is sunday n friday which means i cant contact them for them to talk me through anything
Yeah, still sounds like a software issue to me.
What is your CPU temperature when idle/gaming?
Im my experience, random shutdowns tend to suggest overheating, is the cpu cooler working? can you open the case to check? Are both pipes from the cpu cooler hot? are the fans on the rad running?
On the family computer we had a intel Q8400 quad 2.6ghz cpu and a really cheap foxconn motherboard (pre built pc crap) and that used to hit 98-100 degrees under load according to prime and core temp and it never shut down! That's why it's best not to rely on auto shut off functions on cpu's/ motherboard because they might no always work! However when it did overheat sometimes it would just shut off, no warning or anything!