CPU Temp too Hot? First computer built.

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scrippie10

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Oct 11, 2012
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Hi,

I just finished building my very first computer. I'm pretty excited. However I'm a bit worried that I may have done something wrong or that I may need more fans for my system.

I was getting ready to set up Windowsn 8.1 when I went to the BIOS and noticed that the CPU temp was at 71 C and rising! The temp started off at 59 C but after only a few minutes got up to 71 C.
The mainboard system is at 36 C.

Is this normal? That seems a bit too hot to me, my room can get pretty warm as it is, especially during the summer. I was a little bit worried about the temperature and decided to just turn off the PC without running Windows 8, didn't want to create any more damage. My fan is also pretty loud, though I know that not all fans are silent.

Here's what I used to build my system.

CPU - AMD FX-6300 3.5GHz 6-Core Processor
Mother board - MSI 970A-G43 ATX AM3+ Motherboard
Memory - G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory
Storage - Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card - MSI Radeon R9 280 3GB TWIN FROZR Video Card
Case - NZXT Source 210 Elite (White) ATX Mid Tower Case (Came with 1 fan)
Power Suply - Corsair CX 500W 80+ Bronze Certified Semi-Modular ATX Power Supply

The tutorial that I followed said that the fans that came with the system would suffice. So I did not instal any additional ones. I do however have a Cooler Master Hyper 212 EVO - CPU Cooler with 120mm PWM Fan. I did not instal it because it looked too big? A lot bigger than the one that came with AMD. Should I just instal it? Will this do the trick?

Thanks in advance for the help!
 
Solution
clutchc
I think you are OK now. Your load temps are what really matters anyway. The idle temps are perfectly safe. But it depends on what you are using to check temps. Amd CPUs are notoriously hard to get accurate temps sometimes. The best way to monitor the CPU is by watching Thermal Margins instead of temps. You can use AMD Overdrive to do that. http://www.techspot.com/downloads/4645-amd-overdrive.html
TM will go down as temps increase. So you want to try and keep the TM in the double digits for some headroom. TM is the distance to the point where the CPU will throttle to save itself.
Here is a better explanation: http://www.tomshardware.com/faq/id-2122665/understanding-temperature-amd-cpus-apus.html
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clutchc

clutchc

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Even with the stock CPU cooler and the fans that come with the case, you should not have a BIOS temp that is that warm. I've built with several Vishera CPUs and never had BIOS temps higher than low 40Cs. Usually it is in the 30Cs. Check that your cooler is securely locked on the retention bracket. I presume you used the stock thermal paste, which is fine. But did you by any chance remove the cooler once it was installed and then replace it again?
 
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scrippie10

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Thanks for the quick reply. I'm not home right now, but will check to see if it is secure once I am. In regards to removing the cooler once it was installed, I did not remove it. I did accidently have the paste touch my counter as I was installing other stuff, I did not know that side had the paste on it. Do you think that's causing issues?
 
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clutchc

clutchc

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It's possible. If you compress the paste and then remove it from its surface, microscopic air bubbles can be introduced causing the thermal transfer from CPU to heat sync to be limited. Air is a very poor conductor of thermal energy.

If you don't have any thermal paste of your own, try using something like a coffee filter (they are lint free) to smear the paste that is left over across both surfaces and then re-attach the cooler.

Or better yet, pick up some of this to clean the old stuff off: http://www.amazon.com/ArctiClean-60ml-Kit-30ml/dp/B0007TOR08
And some of this to replace the thermal paste: http://www.amazon.com/ARCTIC-MX-4-Carbon-Based-Thermal-Compound/dp/B0045JCFLY/ref=sr_1_1?s=electronics&ie=UTF8&qid=1423372349&sr=1-1&keywords=mx-4

Also, be sure that the cooler's fan is actually spinning.
 
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scrippie10

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Hi!

Sorry for not getting back to you sooner. Here's a quick update of what I ended up doing. I went ahead and got rid of the stock heat sink and installed the Hyper 212 Evo heat sink fan instead. I also bought another fan and installed that one. Lastly I had the power supply facing the cables when I first installed it.. since my case had air holes where the power supply went; even though I do not have a dust filter I went ahead and flipped it upside down facing the air holes.

I checked the CPU temp when i first installed it, the temp was at about 39 or 40 C
I have had my computer running for a couple hours and it is currently at 47/48 switches back and forth.

Is this a good temp? Like I said my room tends to get a bit warmer during the summer, should I just install another fan or two then?
 
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clutchc

clutchc

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I think you are OK now. Your load temps are what really matters anyway. The idle temps are perfectly safe. But it depends on what you are using to check temps. Amd CPUs are notoriously hard to get accurate temps sometimes. The best way to monitor the CPU is by watching Thermal Margins instead of temps. You can use AMD Overdrive to do that. http://www.techspot.com/downloads/4645-amd-overdrive.html
TM will go down as temps increase. So you want to try and keep the TM in the double digits for some headroom. TM is the distance to the point where the CPU will throttle to save itself.
Here is a better explanation: http://www.tomshardware.com/faq/id-2122665/understanding-temperature-amd-cpus-apus.html
 
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