Hello, lately when I've been running demanding games on high settings (Skyrim, Minecraft) almost every time after a significant time playing, my system completely shuts down. I have checked the system temp after this numerous times and it was always running at normal temps. It's also probably important to know that I have to unplug my PC and plug it back in for it to start back up again. Interestingly enough, I can play games like Civ 4/5 for hours, yet big games like Skyrim just die on me. My computer is perfectly able to run these games on high settings, yet I can't even get Skyrim to work with ANY anti-aliasing (even without it still eventually shuts down). Signs are pointing to a possible PSU problem, but I'm no expert.
Windows 7 64-bit
AMD Phenom II X6 1075t 3.0 ghz processor
PSU: 700w Part Specification
RAM: 4 GB
If any other info is needed, let me know. Thanks.