PC restarts itself when playing a game

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May 16, 2014
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Apologize ahead of time for the wall of text that is to follow..

Ok so I built a computer not too long ago and everything works great. Except when I play a game, any game, doesn't have to be graphic intensive, the PC restarts itself. I have changed settings to not auto restart on error or critical failure but it still does. Originally I started looking through the easy stuff such as connections and found a wire basically hanging out of the molex going to my gpu. I replaced that and the problem appeared to be fixed, no restarts during any amount of gaming. Now all of a sudden 3-4 weeks later it is doing it again, but this time around it is doing after 3-5 minutes of gameplay regardless of what game. I play anything from sonic all star racing transformed and dirt 2/3 to dark souls1/2, witcher 2, d3, DAO, All elder scrolls games etc etc

Also, I can do anything else on the PC. I can download heavily while encoding video while doing whatever without any issue. I can stream hd video to my 60" tv no problems. It's only when I play a game and only a few minutes.

I have monitored temps literally every time I have logged on since the day I built the thing.
cpu idles on board at 27c, showing the cpu itself as low as 13c (using hwmonitor and core temp).
in bios it idles right at that 27c. CPU has never been above 41c under full load. GPU idles around 25c and under full load of a higher end game 60c is the highest it has ever got, usually around 55c or so.

event shows the dreaded event 41 task 63. I have searched and searched for a fix but the problem is so many people claim to have a fix but they are all so different (trust me i have tried just about all of them) some people claim there is no fix others are saying its bad electrical in your house to a psu failure or gpu failure or as simple as updating certain drivers. I just don't know what to do at this point.

What I have done so far...

- changed cable from psu to gpu (sigh, thought that did it)
- updated bios, audio, video, usb drivers
- rolled back to older video drivers
- manually set timings in bios for ram (auto set them to like 11-10-10-30, i believe mine are suppose to be 9cas 9-9-9-24)
- checked drives for errors

So if someone could please help me try to rectify this issue that would be wonderful. Not sure what to do at this point.. should I start to run memtest86, furmark, etc etc? do i need more watts out of a psu to push what i'm working with?

PC in Question:

Rosewill THOR V2-White Edition case
ASUS M5A97 R2.0 mobo
AMD FX-6300 cpu /w Cooler Master Hyper 212 EVO
G.SKILL Ripjaws X Series 16GB (2 x 8GB, 1600mhz)
MSI GeForce GTX 660 2GB
SAMSUNG 840 Pro 128GB SSD to boot OS
Seagate Barracuda 1TB 7200 RPM HDD
CORSAIR HX Series HX750 750W
Windows 8.1
 

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May 16, 2014
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Thank you for your input, that's what I am thinking (the short). However I hope it is just bad luck and a connection issue with the gpu. if a bad connection or not enough power somewhere gpu will draw all power via pci slot causing mobo to reset cpu.

edit: actually i probably could get an exchange from newegg instead of having to purchase a new one if that's what it comes to (but they are all sold out of the model i own)
 

TH SinisteR

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Mar 2, 2014
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That sucks that they are sold out, it seems to always work like that when you need something swapped out. lol. Well, good luck in your ventures, i will continue doing research on similar issues and pop back in here to keep up to date with anything new i find out. And if you should happen to figure it out, please post here as to help future members with a similar issue, not to mention i am curious to find out also. But it does sound like psu to me, not cpu.
 

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I have not changed any cpu settings in bios. I'm assuming yes it is all set to auto and the cpu has a turbo feature where it kicks up to 4.1ghz when necessary. Only thing in bios I really messed with was my ram speed and timings.

I think it has something to do with psu as well.. whether that's something simple such as a connection or it's just a dud. But we shall see sigh lol.
 

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Update: Ok so I loaded a game again.. simply double clicked the icon, game loaded and I walked away. PC restarted itself, not under any load besides idling the game. Not sure how long the game idled for before restarting, i was gone for 25 minutes.

EDIT: Just discovered my psu fan is not even spinning.. psu probably overheating when gpu is drawing that much power.
 

TH SinisteR

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Mar 2, 2014
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probably going into protection mode/ from overheating and shutting off, similar to how a car stereo amp does the same thing. Yup, time to upgrade the psu. if your computer is on, the fan should be on, on the psu. Don't feel bad, i just had to break down and buy a new psu today myself.