Overheating Issue, Is my case the problem?

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azgrowl

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Feb 15, 2012
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I recently upgraded my pc and bought a new case and am having some overheating problems.

Here is the spec of my pc:
Asus Sabertooth 990fx R2.0
AMD FX8350
2x Gigabyte Windforce 7950s in Crossfire
12GB Corsair Vengeance RAM
Corsair 750W CXM 80+ PSU
Corsair H60 CPU Cooler
Corsair Carbine 330R Series Mid Tower Case

I also have 2x 140m Antec True Quiet Fans installed in the front as intakes, 2x 120m on the top as exhales and 1x 120m on that back as exhales connected to the h60.

I am getting really high temps during gaming sessions on all components at ~65-70 C, my case literally feels hot to the touch at times and just before writing this I got black screened and system shut down which I assume is due to the temps.

These are my temps right now with literally just firefox and HWMonitor open:

Motherboard temps
CPU: 51 C
Mainboard: 35 C
TMPIN2: 128 C

AMD FX 8350: 33 C

Gigabyte Windforce HD7950: 51 C (Can only see 1 card's temps in HWMonitor)

My cable managing is "ok", there seems to be enough space for airflow inside, however the case I'm using has these sections covering ventilation points near fans to prevent noise.

I'm really not sure what is causing it to get so hot and am a bit worried.

Any help would be greatly appreciated, Thank you.


 
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nukemaster

nukemaster

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Nov 23, 2004
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That kind of computing power tends to get hot.

Your setup looks as it should be.

Since your video cards vent heated air into the case, You should get better cpu temps with the back fan pulling air into the case over the H60.

To give the video cards the most room and performance, please ensure you are using PCIex16_1(top) and PCIex16_3(4rth slot down)

If you can increase the fan speeds, try that as well.

You can ignore TMPIN2 as that would appear to be a bug.
 
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azgrowl

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Thank you for the response.

How would I go about increasing the fan speeds?


 
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azgrowl

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No I've never overclocked my CPU, I did turn on the turbo feature in my motherboards BIOS however turned it off a few days ago.

 
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azgrowl

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Is the rubbing alcohol necessary? If it is I can only see 70% on amazon uk

Also my GPUs were already in the slots recommended by nukemaster ^^
 
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nukemaster

nukemaster

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Nov 23, 2004
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Get the alcohol at the drug store. no shipping and no waiting. you can get upto 99% most places.

As for the temps. I would first see what the CPU sensors say at load because motherboard sensors + 3rd party software is often wrong. The core temps on most AMD cpus should be accurate at 40-50c(loaded system).

If the fans are connected to the motherboard, disable fan speed control in the bios or use a tool like Open Hardware Monitor(regular non pro hardware monitor does not have the feature while open hardware monitor does) to force them to run faster.

For a system with 2 video cards pumping heat into the system, I wish you have a side fan, but that case seems to lack one.
 
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azgrowl

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I have ordered a Cooler Master Hyper 212 EVO as recommended. It will arrive tomorrow, so I'll also go to the shops tomorrow and grab some rubbing alcohol and microfiber cloths. The thermal compound I have is "Arctic Silver 5".

I will try disabling my fan speed control in the bios now.


 
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nukemaster

nukemaster

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The cooler will come with thermal paste :)

Also. AS5 is not bad paste.

I am kind of surprised the H60 did not do well. I mean it is not great, but not bad.

One thing that you have to deal with is the heat from both of those cards in the case(side fans help bring cool air to mix with that cards warm air), so the air the cooler gets is warmer.

This is why Corsair recommends the fan blow air INTO the case.

I never do it that way, but that is because my video cards had been pushing hot air out the case and I did not want the cooler sucking hot air that was rising behind the tower.
 
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azgrowl

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The H60 I used in a few previous builds, so it might have finally met it's end :(

After disabling the fan speed controls in bios, my idle temps have dropped by 5-6 C already.

Tomorrow when I remove the H60, should I keep that back fan exhausting air or turn it around?



 
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