Overheating during games - What's causing it?

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Arlyd

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Mar 25, 2014
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Hi - Firstly, thanks for looking.

I have just updated my computer from an AMD Phenom II X6 processor and GTX 550ti graphics card to a AMD FX 8350 procesor, and an EVGA GTX 770 graphics card. However, my computer now shuts off when I'm playing games that the old graphics card and processor could handle fine.

It might take a few hours but eventually the computer shuts off and will not turn on again for a few hours. Once, after 12 hours of leaving it to cool I had to unplug it and hold the power button down to discharge any electricity before it would turn on.

I think it's the power supply but I'm no expert - I'm going by the fact that the PSU is very hot to touch, hotter than the graphics card which I believe is meant to withstand this heat.

I've monitorerd the temperatures and tried to force it to overheat by playing games like Titanfall on very high specs for an hour or so, taking screenshots of the temperatures after every round. Unfortunately it did not over-heat but these are the temperatures I get when gaming:

After Round 1
After Round 2
After Round 3
After Round 4
Gave up and tried Hitman: Absolution for a bit

Are these normal/acceptable? If so I think it's the PSU being pushed too it's limits and conking out.

Thanks for all your help!

Daryl

Edit:
The Full Spec is:
-AMD 8580 Processor with a Hyper 212 Evo Heatsink
- Asus M5A97 Motherboard
-EVGA GTX 770 Graphics Card
-2x 8GB DDR2 RAM
-G7 880 Watt PSU
-DVD Drive
-And 2 extra 120mm fans on top of the ones on the case/other areas.
 
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Onus

Onus

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Jan 27, 2006
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You need to provide your full system specs, including the brand and model (not just wattage) of the PSU.
An insufficient PSU is certainly a possibility, but another is the VRMs on your motherboard, which may be overheating. Please post those specs.
 
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A

Arlyd

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Mar 25, 2014
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Sorry - Here's the details you guys ask for!

The power supply is a G7 880W http://www.maplin.co.uk/p/g7-880w-atx-pc-power-supply-n35hc so cheap however I didn't think the PSU would need to be updated because it's an 880 watt unit.

The Full Spec is:
-AMD 8580 Processor with a Hyper 212 Evo Heatsink
- Asus M5A97 Motherboard
-EVGA GTX 770 Graphics Card
-2x 8GB DDR2 RAM
-G7 880 Watt PSU
-DVD Drive
-And 2 extra 120mm fans on top of the ones on the case/other areas.

Edit: With regards to the -128 degrees on Speedfan, I googled that and I think it's a common reading... I think it just means it's not being used or something.
 
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teh camper

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Nov 29, 2013
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i think u need to buy a new psu.
you're overworking your old psu, that's why its so hot and im sure the real output of your psu isnt anywhere near 880W
 
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Arlyd

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Mar 25, 2014
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Thanks - Do you think it's the brand because it's running perfectly until gaming. I thought it'd just not work at all or something?
 
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teh camper

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Nov 29, 2013
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pc uses a lot more power when you play games compared to when you're just browsing the web etc. maybe its the brand. how old is your psu?
 
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Arlyd

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Mar 25, 2014
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Thanks so much for your help - I appreciate you guys probably get inundated with these threads all the time!

I was thinking of getting a Corsair one which will set me back about £60/70. I understand they're a good brand?

I noticed there's only a small difference in price between the 600 and the 750 watt one so would there be any negative affects in getting one with a higher wattage than I may need?

Here's the one I'm thinking of:

http://www.maplin.co.uk/p/corsair-cx750m-750w-atx-80-bronze-pc-power-supply-n35nu

Thanks again!
 
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Henrik Jensen DK

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Mar 19, 2014
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I'd follow Onus' advice if I were you.
XFX is made by SeaSonic which is the best PSU makers in the business.
Corsair is made by some other manufacturer (can't remember which)

Furthermore I've read a review that said the reviewer wouldn't feel competely safe running one of these Corsair PSUs that are noiseless at low intensity. The reviewer wrote the PSU fan did not turn on before the load got a little high. He would have felt better about it if the PSU fan had turned on at a little earlier stage, load-wise.
 
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Arlyd

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Mar 25, 2014
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Ah... Any suggestions what I should get? Less than £100.

When you say cheap capacitors are you saying it's more likely to break? Or shut itself off like the old one?
 
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Dark Lord of Tech

Dark Lord of Tech

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teh camper

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Nov 29, 2013
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There's no disadvantage of getting higer wattage psu than you actually need. in fact you'll have less to worry the next time you upgrade your pc. psu wattage is the maximum amount of power it can supply to your pc. lets say your pc needs 500w and your psu is 700w , the psu still gives 500w to your pc, 700w is the max.
 
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