I've been having this problem for a few months now, and every now and then a game will start restarting my computer. I've browsed a bunch of threads over this problem many times and now I want to confirm if it's my power supply. I've already re-seated my memory, heatsink, and cpu. I've also cleaned the insides with compressed air and re-plugged plugs. I'm starting to suspect that the issue lies in my power supply and Event Viewer hasn't consistently reported the same issue before restart, so I haven't gotten much info from that. I'll attach links to pictures of HWiNFO64 scans from my computer below and some specs, of course with the power supply name too. Please help and if it does seem to be my PSU than recommendations would be helpful.
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MSI Z77A-GD55 Motherboard
ASUS HD7870 GPU
Intel Core i5-3570K CPU
Corsair CX500M Power Supply
2 x 4GB Kingston Memory
Windows 7 Home Premium 64x
First Pic
Second Pic
Third Pic
Fourth Pic
Fifth Pic
MSI Z77A-GD55 Motherboard
ASUS HD7870 GPU
Intel Core i5-3570K CPU
Corsair CX500M Power Supply
2 x 4GB Kingston Memory
Windows 7 Home Premium 64x