Computer rebooting without warning

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Dieselblue9

Commendable
Oct 24, 2016
27
0
1,530
I'll get straight to the point.

My computer has been randomly rebooting and it's been doing it once every week or so. My first guess was that it was my PSU so I got it replaced, however the problem still occurs, so then I jump to my ram and replace that too. Still rebooting with out warning. So I am wondering what is causing this issue?

It's so irregular that It is hard to pin point when it will happen, it can happen when doing intense games such as bf1. Or it can do it whilst doing mundane tasks such as browsing youtube. It has done it with both.

It also happens on a weekly bases, it is not my temperatures as when under full load my gpu reaches 66C and my CPU 60C and no higher. So I have come here for help on how to resolve this issue.

Specs:
EVGA GTX 1080 FTW
i7 6700k 4.00 GHz overclocked too 4.6 GHz
EVGA Supernova g2 650W
Corsair 2x8 GB vengance 3000 MHz
Samsung evo 850 SSD
Seagate barracuda HDD
ASUS Maximus Hero VIII
NZXT Kraken x61 water cooler
NZXT Phantom 530
 
Solution
rcald2000
+Dieselblue9 Thank you for the detailed description. I have one of those RCCB duplexes too. I've had my coffee maker trip the fuse, but never a computer. I saw your description of temps. While both the CPU and GPU are within an acceptable range, sometimes the excess heat can cause the motherboard VRM or CPU southbridge to reboot the system. A simply way to find out is the open your computer case, and tilt it on the side; motherboard should be facing the ceiling so that heat escapes the system. Ideally it's helpful if you can take a floor or desk fan and point it toward the motherboard while doing this. Keep the system on and try to recreate the rebooting.


Off subject, you shouldn't be daisy-chaining surge protectors. If...
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herrwizo

herrwizo

Illustrious
Feb 17, 2009
5,152
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40,240
Go to administrative tools in control panel and check event viewer / windows logs / system. Search for the most recent one marked with red circle and claiming "critical". It should have a description. What does it say?

In theory, there could be thousand reasons for that. Since you already replaced PSU and RAM, I would proceed with either getting an UPS or trying to use a different wall socket. You might have a problem with electrical wiring in your house.
 
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Dieselblue9

Commendable
Oct 24, 2016
27
0
1,530
My computer is plugged into a surge protector which is also plugged into another surge protector. It's hard to tell if my house has wiring problems but that could be true. Our RCCB sometimes just switches off, rccb's are like fuses and act as fail safes if something goes wrong with the wiring in the house. Although this happens very rarely and causes blackouts/the lights to not work it could also be signaling electrical surges in the house.
 
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rcald2000

rcald2000

Splendid
Nov 3, 2009
5,558
146
28,990
+Dieselblue9 Thank you for the detailed description. I have one of those RCCB duplexes too. I've had my coffee maker trip the fuse, but never a computer. I saw your description of temps. While both the CPU and GPU are within an acceptable range, sometimes the excess heat can cause the motherboard VRM or CPU southbridge to reboot the system. A simply way to find out is the open your computer case, and tilt it on the side; motherboard should be facing the ceiling so that heat escapes the system. Ideally it's helpful if you can take a floor or desk fan and point it toward the motherboard while doing this. Keep the system on and try to recreate the rebooting.


Off subject, you shouldn't be daisy-chaining surge protectors. If you counted all the devices that are daisy chained to that single outlet in the wall, how many would you say it is? Below is a model that I own, which has 12 outlets. You should consider investing in it.

BELKIN BE112234-10 10 Feet 12 Outlets 3996 Joules Surge Protector w/Phone/Ethernet/Coax Protection
* Lifetime product and $300,000 connected equipment warranties
$25.91
http://www.newegg.com/Product/Product.aspx?Item=N82E16812107141
 
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