My PC shuts down while playing games.

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Num Nums

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Sep 18, 2015
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As you may have read, my PC just shuts down abruptly without warning (no blue screen and no boot up warning afterwards) when I play any game for more than atleast 30 minutes, PC throttling or not. It hasn't done this when I'm not playing video games. I check my temps and they are relatively normal. I use open hardware monitor and speedfan. But the thing about speed fan is that it says Temp 2 is at about 65 degrees Celsius when all my hardware is bellow that and i yet have to find out what temp 2 even is. I know that sounds low but i have 3 sp120 corsair fans pointing inwards of my case (2 high performance and 1 quiet edition) cooling off these specs:

-AMD FX-6300 6-core cpu
-8GB(4+4) of DDR3 ram
-Gigabyte GA970 motherboard
-Sapphire radeon r9 270x vapor-x GPU
-Antec 520W fully modular PSU
-Seagate 1TB harddrive

A good example of when this happens is when i play league of legends. It doesn't take a lot to run this game at full settings yet my computer just shuts down during a game. Is there anything i can do to prevent this from happening because i'm sensing my hardware might be taking damage. btw I even took the time to basically rebuild my PC just to see if there was any hardware problems from any bad wiring and such but Im pretty sure it checks out. maybe. probably not.
Thanks.
Sincerely, another Novice PC builder
 
Solution
clutchc
Those kind of problems can be very difficult to track down. You almost need a complete 2nd machine's worth of components to swap out with the current components to determine what is at fault. One thing that always crops up with that kind of problem is the PSU. You have a good quality PSU of adequate size for the CPU and gfx card (as long as no OC'ing is involved). But it could still be failing. If you had another smaller wattage card to use temporarily, you might be able to determine if the shutdowns are less frequent. If they were, that would point to a PSU problem.
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clutchc

clutchc

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Those kind of problems can be very difficult to track down. You almost need a complete 2nd machine's worth of components to swap out with the current components to determine what is at fault. One thing that always crops up with that kind of problem is the PSU. You have a good quality PSU of adequate size for the CPU and gfx card (as long as no OC'ing is involved). But it could still be failing. If you had another smaller wattage card to use temporarily, you might be able to determine if the shutdowns are less frequent. If they were, that would point to a PSU problem.
 
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Num Nums

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Sep 18, 2015
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After researching a bit about the importance of having the right wattage psu for your pc i found this out: The current PSU i have is almost 71 more wats than i need according to this neat thing: http://coolermaster.outervision.com/PSUEngine2

So, yeah. im pretty sure it's my power supply.
so should I be getting a 450W psu soon?
 
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clutchc

clutchc

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Yeah, that's what I meant by "(as long as no OC'ing is involved)". Either back off on the OC, or upgrade to a higher wattage good quality PSU. Either way, it's good to at least know what the problem is, eh?
 
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