Intel Core i5-3570K Ivy Bridge idle temperature 100 degrees celcius plus

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PoisonFlame

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Jun 29, 2014
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Hi Tom's Hardware Forums,

Yesterday I was watching a youtube video and suddenly my pc crashed without any bsod or anything. Just plain reboot. I restarted it and in a few minutes it did it again. And again for another 4 times. So today I loaded up in safe mode and it stayed on. It had given be video hardware errors. I thought it was because their mightve been dust in fans and was correct so I air compressed it and cleaned out my PC. I did check Speccy jsut before this all started happening and CPU speeds were all 40-50 idle but once I started rebooting after cleaning out of safe mode it was on continously but I checked speccy again and it was giving me 100 + degrees on all cores of my processor. I opened up my PC again and reseatted the fan and also applied some thermal paste and no fix. Still stays 100+. I decided to let it cool down for about 4 hours and when I boot it up after the time, it started at 90 degrees and soon climbed 104 and now always climbns 104 and stops there not going up or down while Motherboard is always at 25 degrees celcius.

I am pretty confused on what I need to do because this happened all of a sudden. Before I used to get maximum of 75 degrees while playing and now it idles at 100+.

Please guide me on what to do thanks
 
Solution
InvalidError
Sounds like you have HSF mounting issues. If you are still using the stock HSF, you might want to switch to an aftermarket model like the 212+ or 212EVO.

The stock HSF is somewhat difficult to put on right on the first try and have very little wiggle-room/forgiveness for error. I would not be surprised if it slipped a bit over time, wore either itself or the motherboard holes down just a bit and now no longer fits snugly enough for good thermal transfer.
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InvalidError

InvalidError

Titan
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Sounds like you have HSF mounting issues. If you are still using the stock HSF, you might want to switch to an aftermarket model like the 212+ or 212EVO.

The stock HSF is somewhat difficult to put on right on the first try and have very little wiggle-room/forgiveness for error. I would not be surprised if it slipped a bit over time, wore either itself or the motherboard holes down just a bit and now no longer fits snugly enough for good thermal transfer.
 
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PoisonFlame

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Hi, I did make sure that the heatsink is secured in place atleast by the feels.I tried shaking and it was stuck in place. But I know what you mean and I might just invest in one. I also was wondering is there a specific reason it stops moving up or down at 104 degrees celcius? Thats one odd thing.

Thanks again
 
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InvalidError

InvalidError

Titan
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The heatsink may feel snug to the touch but that does not tell you anything about how much contact force there actually is between the HSF and CPU, which is what I suspect your problem is.

As for why it gets stuck at 104C, that would be either because that is the highest it is able to report or because thermal throttling is preventing it from getting any hotter. If you look at the CPU clock in Task Manager or some other monitoring tool, your CPU clock should be hitting rock-bottom if thermal throttling is the only thing protecting your CPU from self-roasting.
 
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CompuTronix

CompuTronix

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Throttle temperature for the i5 3570K is 105C.

I agree with InvalidError. Your cooler is no longer securely seated.

Unfortunately, the only way to be absolutely certain that the pins are properly latched completely through the motherboard is to remove the motherboard, reseat the cooler while closely observing the pin mechanisms under strong lighting, then reinstall the motherboard. It's a poor design.

CT :sol:
 
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PoisonFlame

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Hi guys,
Thanks for the answers. I did follow InvalidError's advice to buy the heatsink/fan and it had done the trick. So it was that my heatsink wasnt secured.
Thanks again for all the help.

 
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InvalidError

InvalidError

Titan
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There is a simple way to install the cooler correctly: use one hand to press opposite corners down to fully seat the "feet" on the motherboard and use your other hand to push the pins on those feet you are putting force on down. Repeat for the other two corners. This way, the pins are definitely all the way through with no chance of popping out unless the pins or the motherboard holes are damaged or otherwise out of spec.

But yeah, as far as being able to tell if the HSF is installed properly after-the-fact goes, it is nearly impossible and the error margins are awfully tight. With the old Socket 478 "claw," you could easily tell if something went wrong and all the flex in that frame could easily accommodate minor mounting mistakes.
 
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