i5-2400 too hot on stock cooler with prime?

khusang

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Jan 10, 2003
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Hey guys, just finished building a computer for a friend. It's running on a stock i5-2400. it runs at about 33C idle, but when I run prime blend test, it jumps to about 90C in a few minutes. Should we be concerned about this? I was thinking maybe intel's stock cooler just isn't cut out for hardcore stress tests like prime, but 90C is pretty high. We could remove the cooler and apply more thermal paste, but I'd rather not do that unless it's necessary.
 

paperwastage

Golden Member
May 25, 2010
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check if the cooler is properly seated and all push-pins are down

unless your case has bad airflow or bad temp reporting, dont think the stock cooler at stock clocks/voltages goes that high

though 90C for an intel chip isn't that disastrous compared to an AMD chip
 

khusang

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Jan 10, 2003
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i think we installed the cooler correctly. we pushed the pins in until it clicked. And then we turns the pins a bit following the arrows. We checked the underside of the mobo, and it looked like everything went through. I'll double check though.


oh btw, as a side question, I'm assuming if there are any power saving features, we should always enable them right? I only ask b/c they're off by default. Thanks.
 

paperwastage

Golden Member
May 25, 2010
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i think we installed the cooler correctly. we pushed the pins in until it clicked. And then we turns the pins a bit following the arrows. We checked the underside of the mobo, and it looked like everything went through. I'll double check though.
unless i'm that tired at 5am.... don't think you are supposed to turn the pins following the arrows... turning those pins = popping the mechanism = spring n olonger under tension pressing the heatsink on the cpu

http://www.eggxpert.com/forums/permalink/810723/810726/ShowThread.aspx#810726
So to remove the old processor the process is fairly straight forward. Turn the computer off and unplug it. Make sure that you are well grounded so that you don't shock any components (grounding strap). Open the case and give each of the twist clips a 1/4 turn counter clockwise. Now you should unplug the HSF from it power connection on the board. At this point you should be able to pull straight up and disengage the clips. Now if you reach in and give the HSF a twist to the right or left it will break the thremal paste bond and you should be able to lift the HSF out.

oh btw, as a side question, I'm assuming if there are any power saving features, we should always enable them right? I only ask b/c they're off by default. Thanks.

yeah.... no reason to disable them (unless going to max overclock using nitro), or mobo instability because its not good
 
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AdmiralAdama

Junior Member
Dec 25, 2011
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Put the pins in the locked position then push them down. If you do it the other way around push then turn the cooler will not mount properly.
 

khusang

Member
Jan 10, 2003
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what kind of temps should I expect to see if I run prime on a stock i5-2400. Is there any point running prime here? We're not overclocking, so we know the system should be stable.
 

khusang

Member
Jan 10, 2003
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so we reinstalled the cooler, and the temps are down to 72C in prime. Thanks for the help everyone!
 

mfenn

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Jan 17, 2010
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www.mfenn.com
so we reinstalled the cooler, and the temps are down to 72C in prime. Thanks for the help everyone!

:thumbsup: With the pins rotated, you are disengaging the locks. That pretty much means that the cooler is just hanging there close to the CPU, and didn't have the necessary pressure applied to it. 72C is much more reasonable for the stock cooler.