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Old April 1, 2012, 11:37 PM
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Default Prime95 Overheat question

i5 2500k (4.3 Ghz)
Gigabyte z68a mobo
H50 set up as push pull config
Kingston 2 x 4Gb ram (1600)
ATI 5750
OCZ 550 Watt

My idle temperatures are usualy 30-33. When i ran prime95 it suddenly jumped from 30 to 90 within seconds. After i stopped the test the temperatures instantly went back to 30. (Also it makes a humming noise ONLY when prime95 is running)

So my question is what is causing the humming sound and would i need a bigger PSU or new cooler?

Thanks for looking.
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Old April 2, 2012, 12:47 AM
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Reseat your CPU cooler, its not seated correctly.
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Old April 2, 2012, 09:39 AM
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I did read somewhere that liquid coolers take a bit of time to equalize temps due to there design,but jumping to 90 does not sound right,btw is your pump below your rad? if not it should be.
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Old April 2, 2012, 09:42 AM
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Originally Posted by rfglass View Post
I did read somewhere that liquid coolers take a bit of time to equalize temps due to there design,but jumping to 90 does not sound right
I used to run an h-50 on an i7 950@ 1.42v, was 73C max, and it took 5-6 hours to creep up there while folding@100%. (OCZ freeze tim, 3300RPM delta fan)
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Old April 2, 2012, 09:42 AM
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Reseat your CPU cooler, its not seated correctly.
That and reapply TIM too. just a little blob in the centre of the cpu is all that is needed.
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Old April 2, 2012, 09:43 AM
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Quote:
Originally Posted by hansonyip View Post
i5 2500k (4.3 Ghz)
Gigabyte z68a mobo
H50 set up as push pull config
Kingston 2 x 4Gb ram (1600)
ATI 5750
OCZ 550 Watt

My idle temperatures are usualy 30-33. When i ran prime95 it suddenly jumped from 30 to 90 within seconds. After i stopped the test the temperatures instantly went back to 30. (Also it makes a humming noise ONLY when prime95 is running)

So my question is what is causing the humming sound and would i need a bigger PSU or new cooler?

Thanks for looking.
You could have Coil whine comming from either the board or PSU that is only evident when its loaded.
Is your PSU a New OCZ model or one of their older ones?

As for Temps, My H50 doesn't do that and I have a much Hotter running CPU.
I don't see 58 LOaded max.
Clean the paste off and re-seat it.

-ST
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