PC restarts under load only in my house

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murnurf

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Jun 26, 2015
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Hello all. I have been experiencing a problem for a while now where my pc will spontaneously restart while gaming. I tried many things to solve the problem, checking temps, removing and reinstalling drivers, swapping out gpu etc. None of these fixed the problems so I decided to try some stressing software's such as furmark. The second I run furmark my PC will instantly restart (no BSOD). Having no other option I took the PC to a computer store. The guy there said that he was able to run furmark for 45 mins- to an hour with 100% gpu usage and no restart occured, he also ran many other tests and the PC did not restart. So am I correct in assuming this is something to do with the power in my house? I have tried using it in different rooms and the result is the same (instant restart). Please help I am at my wits end 🙁
 
Solution
faalin
have you tired different outlets in your house? It might take a while but try to find an outlet that is on a breaker on the left side of the panel and one that is on the right side of the panel.


I wont get into the details of it but you might have a load issue inside the panel where one side of the panel is getting over loaded more then the other. your computer might just be pulling enough power during testing that is making the power unstable and causing the PSU to shut down to save its self and the computer.
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have you tired different outlets in your house? It might take a while but try to find an outlet that is on a breaker on the left side of the panel and one that is on the right side of the panel.


I wont get into the details of it but you might have a load issue inside the panel where one side of the panel is getting over loaded more then the other. your computer might just be pulling enough power during testing that is making the power unstable and causing the PSU to shut down to save its self and the computer.
 
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Solution
Wow, as I began reading your post, it honestly didn't occur to me that the issue is your home's power source. However that theory is certainly possible. IF that is indeed the cause of your computer rebooting, I would think that you'd need a power conditioner. To my knowledge a UPS doesn't necessarily have this feature unless it's explicitly stated. It would be helpful if you posted your specs, particularly your power supply brand/model/wattage. Perhaps your home's power is just slightly out of spec and your power supply isn't high tier enough to deal with it. Were it my computer, I would check the following.

Event viewer (application and system logs) at the time of the reboots. Is it just an event ID for an unexpected reboot or is there any additional information.

Mini dump reports: I would run the mini dump report viewer to see if a report was generated. I usually only see such reports generate with BSOD's but anything is possible.

Power supply: If possible, I would borrow or purchase a power supply. Maybe a geeky friend might have a spare to lend you or maybe the store that diagnosed it earlier. Test the computer in your home to see if you can reproduce the problem.

Home power output: This is a tough one. You could use a line conditioner, but also a electrician's service might be called for. The obvious problems with getting a licensed professional is: (1) do you own the property, so that you have access to the fuse box and permission to have it looked at OR (2) how expensive is the diagnosis and possible repair of the problem. I have no answers for these questions, since I'm not a electrician.
 
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Thank you for the reply. I am a pretty big noob when it comes to electronics, what do you mean by panel? When I look at the box on the side of my house it does not tell me the locations of the different outlets.
 
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Here are my specs

Operating System
Windows 7 Home Premium 64-bit SP1
CPU
Intel Core i5 2500K @ 3.30GHz 38 °C
Sandy Bridge 32nm Technology
RAM
8.00GB Dual-Channel DDR3 @ 665MHz (9-9-9-24)
Motherboard
Gigabyte Technology Co., Ltd. Z68M-D2H (Socket 1155) 34 °C
Graphics
Acer V233HL (1920x1080@60Hz)
23EN43 (1920x1080@60Hz)
Intel HD Graphics 3000 (Gigabyte)
2047MB NVIDIA GeForce GTX 770 (Gigabyte) 44 °C
Storage
931GB Seagate ST1000DM003-1CH162 ATA Device (SATA) 24 °C
931GB Seagate ST1000DM003-9YN162 ATA Device (SATA) 27 °C
Optical Drives
TSSTcorp CDDVDW SH-222BB ATA Device
Audio
Realtek High Definition Audio

Under event logs critical there is only 1 kind of error which is Kernal-Power
"The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."

When I open the software you have linked me it tells me there have been no crashes and are no mini-dump files
 
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Sorry for my delayed response; I was responding to a few other messages. Okay, so you had a event ID 41; that's to be expected. Any events before or after those that are out of the ordinary? That's where we'd find the problem, if it's logged.

What is your power supply brand/model/wattage? Also, even though you state that you checked temperature, I'm still not 100% convinced that the problem isn't related to it. For example, there was a guy who posted on the site last week, whose video card was baking his Northgate bridge and that caused the restart. What's funny is that his CPU and GPU temps were within normal spec. He tested this by opening the case, turning it on it's side (so the heat could escape) and turning on a fan and pointing towards the components. He then tried to reproduce the restarts and couldn't. Also his event log had an entry that led me to believe that the Northgate was frying, which is why excess heat looked to be the cause.

I also recall Sun Microsystems having a problem in their past where a newly released line of servers were spontaneously rebooting. Sys Admins from around the world were reporting this problem to Sun, but their engineers could not reproduce it. Turns out that the problem was due to Sun removing ECC memory from this line of servers and the rebooting was caused by cosmic rays flipping bits. The reason that Sun couldn't initially reproduce it is because their labs were located at a lower elevation, where cosmic rays aren't as strong and plentiful. I don't think this is related to your issue, but thought it was an interesting story.

Do you have your computer plugged into either a surge suppressor, outlet multiplier or UPS. If so, temporarily remove that unit and plug the computer directly into the wall. You can continue to plug the monitors and accessories into the outlet multiplier.
Once you are reasonably certain that this rebooting issue happens from different outlets in your home, and there is no device in between the computer and the wall, then I would consider borrowing/purchasing a new power supply. I recommend a place like Amazon, which has an excellent no hassle return policy. Please respond back to my questions, especially about your power supply brand/model/wattage. Thanks.
 
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Power supply is an Antec 620W 'High current gamer'. It is very late and I am tired of testing the problem all night, I will be going to my new house tomorrow and testing the computer on that house to see if its a circuit issue. I will try the surge protector and get back to you if that does not solve the problem. Thanks for the responses, hopefully you can see my reply tomorrow :)

 
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