Automatic Restart While In-Game

RS13

Distinguished
Dec 1, 2012
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I've been having a automatic restarts. Every time I look this up, someone says "It's probably the power supply." Well, I'm way over the what I need to run my system, so if the PSU's the culprit it's only failing under load. How do I check that? I don't have a spare PSU sitting around here and I don't want to buy another on the chance that it's the problem.
 

RS13

Distinguished
Dec 1, 2012
66
0
18,640
I'm not sure how I'd do that. I just downloaded HWInfo and see a bunch of info on my GPU, CPU and memory, I'm not seeing anything on the PSU. And google isn't being very helpful at the moment.