PC suddenly shuts down when idle or playing games and stuff

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dcj04

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Apr 10, 2014
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my problem is that my 10 month old pc suddenly shuts down then restarts after a few seconds when im playing video games.

my pc specs:
-intel core i5 3330 3.0ghz
-asus gtx 660 direct cuII oc edition
-4gb ram
-fsp supersonic 600w psu
-1tb western digital hdd
i currently have 4 games installed(bf3, metro 2033, metal gear rising revengeance, dota2)
on those 4 games the only game that doesnt force my pc to shut down is dota 2.

also i have 5 120mm fans installed. tried playing games without the fans so i can free up some power for the other components because i thought the reason of random shut downs is because the lack of power to the other pc components. but even without the fans the pc still shuts down down without any error messages/blue screens.

what i tried so far is to monitor the cpu/gpu temperatures using the pc meter widget on windows 7, i know its not accurate but it shows around 70-85 degrees on cpu and 60-75 degrees on the gpu (without the fans) and around 55-70 degrees on cpu and 40-55 degrees on the gpu( with fans) when playing bf3, metro and metal gear rising.

some say its the psu that has the problem, that it is a sign of the psu dying. but my psu is just around 10 months old and my pc is rarely used(all my pc components are 10 months old)

im not a techie guy so im just wondering what could be the other causes of the random shut downs?
and what are the steps i should do if i want to fix my problem?
sorry for the english fails.
 
Solution
badman1972
I had a new power supply that lasted a day, so age is not a guide.
MY pc shut down twice just like yours, then next day would not boot up, changed to an old power supply and was fine.
Why dont you order a new power supply from amazon try it for a few days and if you still get the problem you could return it and try something else.
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Catalyzer

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Evrything looks good other than that PSU
It doesnt look like a well known brand.
Take a branded PSU : XFX , Seasonic , Corsair , Seasonic
Also great job you measured all temperatures of gpu and cpu already
 
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badman1972

badman1972

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I had a new power supply that lasted a day, so age is not a guide.
MY pc shut down twice just like yours, then next day would not boot up, changed to an old power supply and was fine.
Why dont you order a new power supply from amazon try it for a few days and if you still get the problem you could return it and try something else.
 
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dcj04

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Apr 10, 2014
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thanks for the reply
im also planning on buying a new psu. but before i buy a new psu, i guess i would try to use my friend's psu to confirm if the psu is the problem. because it might be the other components that causes the problems.
also im planning on upgrading my ram to 8gb and adding another hard drive is a 600w psu is enough for my pc + the 5 120mm bitfenix spectre fans?? or should i buy a psu with a higher wattage?
 
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Catalyzer

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Should be !
Take a reputed brand with good energy efficiency rating like 80+ certified.
doesnt matter if its less wattage of output from that PSU , but it should be of a good quality , thats it.
 
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badman1972

badman1972

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You could go for a good brand 750w so you are future proofed.
But a 600w should be fine as long as it is a good one.

 
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Catalyzer

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This one is better also its 80 plus certified , VS series of corsair is pretty damn rock bottom of quality of power suppplies from Corsair.
See htis is 500W but still sufficient for your system :
http://www.amazon.com/EVGA-80PLUS-Certified-ATX12V-100-W1-0500-KR/dp/B00H33SFJU/ref=sr_1_2?ie=UTF8&qid=1397132381&sr=8-2&keywords=500w+psu

Corsair PSU :
http://www.amazon.com/Corsair-Builder-Series-Watt-CX500/dp/B0092ML0MY/ref=sr_1_2?ie=UTF8&qid=1397132518&sr=8-2&keywords=corsair+CX

tbh , VS series isnt even available in all countries because its pretty damn not for every market base , Here in Asia , many ppl take it , because frankly they cant afford much to spend on their PSU.


I'd still recommend the EVGA one , now choice is yours
 
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dcj04

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Catalyzer

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Take the Seasonic S12ii Bronze , i personally have it , and have heard really good reviews about it.
Take a Seasonic S12ii 620W
it runs very silent and also gives adequate power to your build.

Edit : thermaltake is also good , aerocool i never knew they made PSU's.
 
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dcj04

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Apr 10, 2014
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so i guess i'll take either seasonic or the thermaltake psu.

also my friend said to stress test my gpu once i got my new psu. i heard the term stress tests before but i thought it was for cpu's? dunno lol

but he said graphics card consumes a lot of power when doing a stress test so you can test if the gpu will fail and test if the psu can provide adequate amount of power while the gpu is under heavy load. its something like hitting two birds with one stone.
since im not experienced in those kinds of testing, is that really necessary? should i try it or not?
 
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Catalyzer

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Stres testing is a very good way to check stability of any component.
Stress tests are done mostly on CPU's to see if they can withstand the test.
GPU's are already stressed a lot in games like Crysis3 , BF4 - they are already punishing games for the GPU.
Still you could Use Furmark for GPU Stres testing , it is based on OpenGL.
And yes you could see then how much power is required to the GPU and how much does it take , and yes how well could your PSU deliver that much power.

My recommendation : try it , nothing's gonna burn !
 
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dcj04

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Apr 10, 2014
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used furmark. tried the user defined and the 720 preset benchmark. is that enough to know if my gpu is not faulty?
both benchmarks ended(and showed scores) without errors or shut downs. and im still using the old psu. maybe the random shutdowns only happens when both cpu and gpu is under heavy load? and the games i tried to play needs a lot of cpu/gpu power right?(also all the game settings are set on high/ultra at default)
 
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Catalyzer

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Yes Games now makes use of all CPU and GPU power , they are though more heavily inclined towards GPU.
Try using 1080p preset if there is , because games are generally playes 1080p nowadays.
There must be different levels of stres testing in FUrmark , you could look at those.
 
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dcj04

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cant do the 1080p test since the max resolution of my monitor is 1366x768.
but tried benchmarks at fullscreen/windowed with 2x and 4x msaa
system shut down once during the first 2x msaa benchmark but the rest. no shut downs. temps, never exceeded 75 degrees.
(well gonna try burn in test next time)
tried cpu burner for 10 minutes at 4 threads. temps never exceeded 70 degrees. no shut downs. i guess i should try both at the same time :D

also i began experiencing this after i formatted my hdd and reinstalled windows. installed all latest drivers. then tried playing games then bam, system shuts down and restarts after a few seconds. also at event viewer it shows kernel-power error something everytime the system restarts. at first i thought it was driver related, so i installed all the old drivers. but still experienced the system shut downs

well i guess i'll have to wait for that new psu to arrive and test again if the problem is solved.
 
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