WHY is my computer RANDOMLY RESTARTING!?!?!?

TATZU3D

Honorable
Nov 23, 2013
4
0
10,510
Ok so heres the deal. I Built my computer two years ago and here are the specs: it has an i5 2500k no overclock, 8gb g skill ram. two ssd's, two hard drives. a gtx 580 no overclock, and a corsair hx850 power supply. Recently all of a sudden my computer decided to randomly restart. and when it does this it gives no blue screen or anything. and there are no errors in event viewer other than eventid 41 which is critical power failure or something. when it restarts it might work for another 5 minutes to 5 hours to 1 second or less. it is entirely random. i've tried nearly everything to toruble shoot. i took it all apart and tried testing each componenet one by one. i stresss tested the ram and cpu. i've played games with all max settings on the gpu. and still its entirely random i could even be browing the web or even in the bios or even in linux windows it doesnt matter it will ALWAYS EVENTUALLY HAPPEN. the amount of time it takes or actions neccesary is completely random that i am sure. i have looked at all the wires etc. there is nothing shorting out. and the power supply is a top rated brand a prmeium model that can supply enough power for two of my pc's. i've tried everything and am not sure what the problem is. i am 100% sure however that it is a hardware problem. and as i was typing this once again it restarted. also right now i have put a house fan blowing into the computer right now lol so u know damn well it isnt an overheating problem. my first two guesses are a suprisingly faulty power supply or motherboard what do you think PLEASE HELP ME!
Also i have checked the cmos battery and switched the bios on my board and the porblem still exists =(

Here's what hardware ID says
Untitled_2.jpg
 
Solution
download hardware monitor or a program like it and watch your power supply output or watch it in the bios. if you see the 12v or 5v drop then it a power supply issues or a bad cap or vrm on the motherboard. if coair does this see if they crossship you under rma a new unit. then you be able to plug the new power supply in and see if the error stops.
download hardware monitor or a program like it and watch your power supply output or watch it in the bios. if you see the 12v or 5v drop then it a power supply issues or a bad cap or vrm on the motherboard. if coair does this see if they crossship you under rma a new unit. then you be able to plug the new power supply in and see if the error stops.
 
Solution

TATZU3D

Honorable
Nov 23, 2013
4
0
10,510
ok i just put up my hardware id info let me know what you think thanks