PC shuts down when gaming, GPU too hot

Danoded · Apr 5, 2014

When I play very demanding games, such as Far Cry 3 and Crysis 3, my PC shuts down without warning and I have to take out and plug back in the AC cable for the PSU before it switches on again. The last temp I remeber looking at before it switched off it was around 83-90 degrees C while the idle temperature is a mere 30 degrees C. When I touched my Graphics cards copper pipes they were searing my skin. Can someone please help me on what's happening and my system also has very good airflow. My system specs are:

GPU-Sapphire Radeon 7870 HD GHz edition (2GB GDDR5)
CPU-FX 4130 3.8GHz (Zambezi)
MOBO-Biostar A960D+
PSU- Ace 500w
RAM-8gb DDR3 1333Mhz

MalakiArtook · Apr 5, 2014

how old is your PSU?

Guest · Apr 5, 2014

I faced an issue like this but that was due to expired thermal paste on my processor. GPU's normally run very hot. Temps below 85 are normal. Try monitoring temps with CPU-z and gpuz. Post your results then. If it's not this then it might be your psu.

MalakiArtook · Apr 5, 2014

yeah my guess is that either your CPU is overheating or that you PSU cant keep up. I highly doubt its your GPU.

bignastyid · Apr 5, 2014

The psu is low quality and could be causing problems.

The Letter Mu · Apr 5, 2014

Try another PSU 600w or higher and see if it has the same problem. That card you have may be factory overclocked and draw a little more power than other manufactured cards. A 7870 requires 500w minimum so I can see how the PSU wouldn't be able to afford the GPU's higher demand.

Danoded · Apr 5, 2014

My CPU temps are very well into the safe zone so it may be the PSU that is causing problems. On load the CPU never goes higher than 50 degrees C.

The Letter Mu · Apr 5, 2014

There you have it. We may have isolated the problem. Get back to us when you've verified after swapping it out, if you choose to do so.

Danoded · Apr 5, 2014

The Letter Mu :

That will mean I'll have to pay around £50 for a new PSU JUST to see if it works.

The Letter Mu · Apr 5, 2014

You don't have to go out and buy another! Ask a friend if they'd have one you could test.

MalakiArtook · Apr 5, 2014

Most places have a return policy. just get one you can send back.

Guest · Apr 5, 2014

It might be your PSU but your card's temps are not in the normal range. Temps above 60 and below 80 are normal for full load. Stop any overclocking and then test the card. Check if the fans are not blocked.

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PC shuts down when gaming, GPU too hot

Danoded

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MalakiArtook

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bignastyid

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The Letter Mu

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Danoded

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The Letter Mu

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Danoded

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The Letter Mu

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MalakiArtook

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