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High temps for 3570k? Do i need to reapply thermal paste or heatsink?

Last response: in CPUs
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July 26, 2013 1:44:29 PM

I recently bought components for a new computer, put it all together fine and when booting into the bios the temperatures seem to be quite high for the cpu (i5 3570k). They start at around 45 when booting, however after about 10 minutes rise to 55 degrees average. I have tried to see if the stock heatsink is correctly installed and all of the pins have clicked into place and show at the bottom of the motherboard. The only thing i can think of is that when i first put the heatsink onto the cpu, one of the clips didn't click into place, however if i pushed any further it would probably break the motherboard. If i have already had the computer on for about 20 mins max, can the heatsink be taken off and reapplied, or will i have to take off the old thermal paste and reapply some different thermal paste or will the existing not have properly 'bonded' to the cpu yet?
a b à CPUs
July 26, 2013 1:47:00 PM

perfectly fine temperatures.
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July 26, 2013 1:48:46 PM

Your temps sound fine for the stock Intel cooler. If you pull the CPU cooler you need to clean off the paste and reapply. The paste doesn't bond to the CPU its just it will be uneven when you pull the cooler off so you need to reapply.
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a b à CPUs
July 26, 2013 1:49:51 PM

If you remove the heatsink, you need to reapply the thermal paste again. Try to reseat it again and find the "click" that you missed.
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July 26, 2013 2:43:17 PM

thanks for the help and the quick replies :)  , ill probably just leave it as it is, if the temperatures seem normal.
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a b à CPUs
July 26, 2013 2:49:26 PM

Agree for the stock heatsink it is fine. If you need lower temps you should look into a good aftermarket heatsink.
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July 28, 2013 11:55:19 AM

This is bearing in mind this is just in the bios and not under load. Are these temps still okay?
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a b à CPUs
July 28, 2013 12:50:25 PM

Actually, when you are in BIOS, the cpu load is at max. That's why you are getting high temps. Just take a look at your temps when you boot in to windows, it will go down to 30s.
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July 29, 2013 3:13:42 PM

Okay, thank you for clearing this up for me :)  .
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August 3, 2013 5:41:58 AM

Ive recently had my computer running and ive only had it about 1-2 weeks, when i play games like chivalry, the temps seem really quite high. They tend to reach 72-75 degrees which i think is quite hot and even when idle they tend to hover around 45-50. Im using speedfan to measure temps btw. Sorry to ask more questions but its kind of making me concerned.
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a b à CPUs
August 3, 2013 10:30:49 AM

Well, you're using the stock heatsink that's why you're getting high temps. If you're not satisfied, try to reseat it and apply a good amount of thermal paste.
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a b à CPUs
August 3, 2013 10:43:40 AM

Both Ivy and Haswell run hot. The stock HSF is the bare minimum and it will hit 70C at load unless you have really low ambient temps.

Any after market HSF $20-$30 will knock 10C off that and make for a more stable system. I was getting crashes with the stock HSF. The thermal pad they ship with it is junk.
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