PC shut down and restarted by itself

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ManaMou

ManaMou

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Dec 15, 2013
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So today i was playing mirrors edge on my PC and suddenly it shut down like the power cut off and after that it started again.Also yesterday i had a blue screen with this error page_fault_in_nonpaged_area.

Im running Windows 8.1
i5 4670
Gigabyte Z87-HD3
Sapphire 7770 Ghz edition
8GB ram
650w PSU

I suspect it might be my PSU since its a very cheap one and the brand is like uknown.

Can you help me identify the problem?
 
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MarkW

MarkW

Judicious
Dec 7, 2009
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Start watching the temperatures on your system. Especially the CPU. This could be a few things, but overheating is probably the number one reason computers shut down without warning. It could also be a bug in the software. That error you got is normally caused by a program trying to access memory it was not allowed to access. This can also happen when a CPU is overheating. As can many, many other errors.

All you can really do right now is make sure your CPU fan is working, and that the temps when gaming stay below 75c. I prefer that they stay below 70c, but some games when run on CPU's with stock coolers will get above the 70c point at times.
 
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ManaMou

ManaMou

Honorable
Dec 15, 2013
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I played again and even though it didnt happen again i checked my CPU temperatures and the minimum is 47c average is 65.5c and maximum is 74c all that while gaming.My question is why would the CPU overheat more on mirrors edge than GTA V?i played GTA V a lot and never experienced that problem.Oh also if that helps sometimes when i turn off my PC it will immediately turn on by itself but if i turn it off again it stays off.

 
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MarkW

MarkW

Judicious
Dec 7, 2009
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The temperatures are tolerable. At least in the numbers you showed me, I see not reason the CPU would shut down over those temperatures.

Well, if you bought a real cheap power supply, it could be that. But to prove that is going to be hard. Especially from where I sit. the fact they could not even be bothered to put a brand on that really scares me. The insides of that thing must be very close to junk quality.

I would suggest that you buy a better power supply. Toms keeps a list of power supplies sorted by what we call tiers. Tier 1 are great power supplies. Tier 2 is also good power supplies, but minor imperfections or just a bit less than highest quality parts might have been used. Tier 3 reaches the lowest point that I would buy from. It has some cheaper parts, and might have some imperfections that might limit your ability to overclock or otherwise push the limits of the power supply. Tier 4 is worse yet, and tier 5 is junk.

To find a power supply and see where it ranks on this list, Press CTRL-F, and then enter the brand name. Then look to see if something listed under that brand name matches part of the model and watt numbers. If not, search for the next time that Brand name is in the list, and each time you find the brand name, under it, again, look for something that has part of the model number and possibly the wattage.

Once you find a match, scroll back up slowly until you find the Tier header, and that will tell you the Tier that the power supply model is in.

http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html
 
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MarkW

MarkW

Judicious
Dec 7, 2009
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Corsair CX is rated as a tier 3 power supply.

Tier Three
Some Haswell compatible, some not (maybe unconfirmed). Still safe to use and stable, just lower quality components. Some capacitors maybe Japanese, but can include the Taiwanese capacitors. Not really ideal in serious overclocking or super-high load situations, such as a Bitcoin mining rig or a high end gaming system.
 
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tiny voices

tiny voices

Titan
Sep 6, 2012
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You do not want a Corsair Cx unit. They are not good and fail all the time.

No reason to replace a bad quality PSU with a barely average PSU made with junk capacitors. It is the most important part of a PC by FAR. Don;t cheap out.

Skip Corsair. Their quality units are overpriced alot and their affordable units are not good at all.

Look for an Antec.
 
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