CPU Temps Really High

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Snipzu

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Jul 18, 2015
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Hi guys,

I'll try to make this simple:

Here are my specs.

- Intel Core i5 3330 3.00GHz (stock cooler)
- MSI Nvidia GTX 750 TI Twin Frozr 2GB OC
- Kingston 4GB DDR3 1600MHz HyperX - 2x
- WD 1TB Blue Desktop Drive
- WD 500GB Blue Desktop Drive
- Gigabyte GA-B75M-D3H Motherboard

Basically I had someone have a look at my PC as I had an issue with the motherboard and replaced it, when replacing thermal paste he forgot to take the old one off. I realised this when I checked temps and it was hitting the 100s, this was about 3/4 months ago now. I had cleaned and replaced the paste, thus it was fine temps wise.. until now.

Now its hitting the 100s again, I tried replacing the paste in case it helped to no help, I know I have a stock cooler which is usually poop. But I don't understand how the CPU is getting this hot and wasn't before now. The airflow is also fine as I replaced the case with a (Corsair CC-9011077-WW Carbide Series 100R Silent Mid-Tower ATX Computer Case) so air flow is okay.

Anyone have any ideas that would help? it randomly started yesterday when playing Rainbow Six Siege, and I kinda want to fix it ASAP.

Thanks

 
Solution
clutchc
At this point, I'd be wondering if the stock cooler's fan was working properly. If it is laboring and not increasing its speed as needed, temps will naturally rise.

Another thing is the cooler's mounting. Sometimes those push-pin feet don't expand properly behind the board. If even one is loose, surface contact between the cooler's heat sink and the CPU's heat spreader will be poor resulting in bad thermal transfer. Be sure all 4 feet are firmly flat against the motherboard.

And of course, there's the over-application of thermal paste that can hinder thermal transfer. All that is wanted, is a thin film between surfaces. Just enough to fill in the microscopic pores and roughness between surfaces.
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clutchc

clutchc

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At this point, I'd be wondering if the stock cooler's fan was working properly. If it is laboring and not increasing its speed as needed, temps will naturally rise.

Another thing is the cooler's mounting. Sometimes those push-pin feet don't expand properly behind the board. If even one is loose, surface contact between the cooler's heat sink and the CPU's heat spreader will be poor resulting in bad thermal transfer. Be sure all 4 feet are firmly flat against the motherboard.

And of course, there's the over-application of thermal paste that can hinder thermal transfer. All that is wanted, is a thin film between surfaces. Just enough to fill in the microscopic pores and roughness between surfaces.
 
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Solution
S

Snipzu

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Jul 18, 2015
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4,510


Hello,

Sorry for the late reply, I've been working and hadn't had a free moment to look here.

Your mounting suggestion was also suggested by a friend and it turned out pins were loose on the cooler causing no connection from heat sink to CPU. Which was silly of me, thank you for replying tho :)

 
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