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Computer shutting off randomly. Wont turn back on without switching psu off-on


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#1 striker0299

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Posted 05 August 2014 - 11:39 AM

My computer has been shutting off randomly after playing games for about 30 minutes to an hour. Once it shuts off, pressing the power button wont turn it on unless i switch the psu off and on first. When i use prime 95 and valley benchmark my cpu gets to 63 degrees c and gpu gets around 70 degrees c. From what i've been reading, it looks like the psu is the problem but i'd like to know if there's a way to confirm that the psu is responsible for the random shutting down.

CPU: AMD FX-4320
Motherboard: Gigabyte GA-970A-UD3
GPU: Sapphire DUAL-X R9 280
Power Supply: Azza Alpha 700w PSAZ-700C12
HDD: Western Digital WD Blue WD10EALX 1TB 7200 RPM 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive

Thanks in advance for any help at all!



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#2 rlesech

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Posted 05 August 2014 - 12:23 PM

Hello striker0299,

 

Have tried a power supply tester?



#3 zingo156

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Posted 05 August 2014 - 12:23 PM

Definitely sounds like a psu problem, unfortunately there is no way to know for certain without replacing it. Your temps look ok. If it only seems to crash when the computer is under load (playing a game or running benchmarks etc), then PSU is a prime suspect when heat is not the cause. Do you have any random shut downs while doing simple tasks such as browsing the web or word processing?


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#4 striker0299

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Posted 05 August 2014 - 12:45 PM

No, I don't have random shutdowns when i'm just browsing the internet, watching netflix, ect.



#5 zingo156

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Posted 05 August 2014 - 12:52 PM

If all your temps look ok while gaming, I'd bet on the problem being psu related since it happens when the computer is under load.


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#6 striker0299

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Posted 05 August 2014 - 01:11 PM

K time to go get a new psu. One more question, at what temps should i start to become worried about my cpu when it's under max load?



#7 zingo156

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Posted 05 August 2014 - 01:31 PM

I can not find the exact max temps yet for that exact cpu (I believe the max safe is 71C for the FX series), as a general rule of thumb with amd cpu's I try to keep them below 60C, you might want to open your case and dust out your computer to try and see if your temp will go down from the reported 63C.


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#8 striker0299

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Posted 05 August 2014 - 01:32 PM

k thank you for all the help :D


Edited by striker0299, 05 August 2014 - 01:33 PM.





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