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CPU heating problems - i5 - 3570k Ivybridge

Bobybobp

Bobybobp

Bobybobp

Associate
Joined
15 Apr 2012
Posts
276
Hey guys, I have a few questions about my CPU's temperature when idle and when under load.
The fan I have is an Akasa AK-CC4007EP01 Nero 3 CPU Cooler

Before I overclocked my CPU I was getting temperatures of around 42C when idle and a max of 83C when under load, now that I have overclocked the CPU I am getting around 45C when idle and 87C-92C when under full load for about 25 mins.

Obviously, these temperatures are very high and need to be lowered. Tomorrow I am buying a new case with better airflow and I am going to be cleaning the entire PC to remove any dust and am hoping that this resolves the issue, but does anyone have any obvious tips to get the temperatures down while under load?

Thanks, Sam
 
Thanks for the quick replies.

Going to be adding some more thermal paste tomorrow, as well as reseating the cooling. I've just updated the BIOS as it actually let me into it for once, and that seems to have already improved the heating. I'll update how the switch over to the new case goes tomorrow and see if there are any changes.

Drollic said:
80+ just for gaming as the load (presuming) is high/very high in current temps
Click to expand...
The 80+ was me using Prime95 blend tests.

Drollic said:
What clock speed and voltage?
Click to expand...
Overclocked to 4.2GHz and it is at 1.800 voltage, I upped it from 1.600 as I was getting some crashes on games.
 
BaroUK2 said:
I think you've got your voltages mixed up. I am on 4.0 ghz 1.2 volts, i7 3770k
Click to expand...

The CPU stock voltage was at 1.8 volts as the CPU came pre-overclocked to 3.8GHz, pretty sure that the higher clock speed you want, the higher voltage your CPU will need? Unless I'm completely wrong, which does happen often haha
 
I'm hoping that my mega clean and better case today is going to help with these problems as well haha, I've just put the voltage down to 1.1V and it does seem to improve but prime95 still is easily able to get the CPU into dangerous temperature, near 85 degrees so not really sure what to do apart from this new case, I'll update with how the temperatures are after I've finished. Thanks for the help so far :)
 
Update on moving to the new case, there was a lot of dust, I remember cleaning the thing out about 8 months ago, but I clearly didn't do a very good job. The new case is fantastic and already seems much cooler, there was also quite a lot of dust in the CPU fan and clearing that obviously would have helped, I've reapplied thermal paste which was fairly worn out and obviously reseated the CPU fan when moving to the new case.

The stats:
The CPU now sits around 27C when idle and hasn't managed to get over 53C while being on full load for about 30 mins. So overall I think this has been a very successful job, thanks for all of your suggestions guys and I think I've learned a valuable lesson today about regular cleaning haha.

Also thanks for point out the high voltage, I have no idea why it would default to such a high amount, doubt I would have ever noticed was it not pointed out.
I've overridden the default setting now which was at 1.8V for some reason and set it to be 1.2V while I'm on a 4.2GHz overclock.
 
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