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I7-4790K running way to hot

Tags:
  • Cooling
  • Intel i7
  • CPUs
  • Gigabyte
Last response: in CPUs
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August 27, 2014 1:02:46 PM

So i bought a new Cpu and Mobo (I7-4790K and GIGABYTE GA-Z97-HD3) not even a week ago and got prettie high temps with the stock cooler wich doesnt suprise me but now i put on my Hyper evo TX3 and i'm getting even higher temps like after gaming it wont go lower than 60°C for like an hour and during its around 80 but never higher then 85 :/ 

More about : 4790k running hot

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a b à CPUs
August 27, 2014 1:13:23 PM

This has popped up a number of times recently in this forum. When you have time, you'll want to look them up - use search terms "4790K" and "temp".

You'll want to check that the paste job is done properly and that the cooler is mounted correctly. If the screws are tight, loosen them half a turn and see if the temp curve changes. If they're not, tighten them the same and check temps.

You'll also want to make sure that you've got the latest BIOS from your board's support page. Some of the older BIOSs don't manage that chip very well resulting in higher temps.
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August 27, 2014 1:15:03 PM

volcanoscout said:
This has popped up a number of times recently in this forum. When you have time, you'll want to look them up - use search terms "4790K" and "temp".

You'll want to check that the paste job is done properly and that the cooler is mounted correctly. If the screws are tight, loosen them half a turn and see if the temp curve changes. If they're not, tighten them the same and check temps.

You'll also want to make sure that you've got the latest BIOS from your board's support page. Some of the older BIOSs don't manage that chip very well resulting in higher temps.




ive done all those things already :/ 

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a b à CPUs
August 27, 2014 1:43:52 PM

Yes, the mobos and software tend to apply more voltage than absolutely necessary. For stock speeds, your chip should be able run at @ 1.15V-1.17V, which should result in lower temps.
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August 27, 2014 2:33:00 PM

volcanoscout said:
Yes, the mobos and software tend to apply more voltage than absolutely necessary. For stock speeds, your chip should be able run at @ 1.15V-1.17V, which should result in lower temps.



i just set it like really low and my temps are still bad its at 1v right now and idle temp is about 50 :( 



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a b à CPUs
August 27, 2014 8:28:27 PM

When your friend checked the mobo out, did he remove the cooler, clean out the paste and reapply it? If so, what paste application technique did he use?

If you've checked everything else, I would pull the cooler and check to see what the paste distribution was like. You want a nice thin even layer covering the CPU. If thermal paste got squeezed out the sides and over the edge of the CPU, then use less next time. If the paste didn't cover most, if not all of the CPU's face, then use a little bit more. NOTE: Make sure you have enough thermal paste left for a re-application before you pull the cooler. If you don't think you have enough left, get some more (order online, local computer store, etc.) first.

Then clean off the paste with rubbing alcohol (99% by choice, but 91% or 70% will work), coffee filters or other lint-free material and q-tips. Give it time to dry - won't take more than a minute or two. Then reapply the paste according to the instructions (adjust amount based on previous observations) and remount the cooler, making sure it's seated firmly and the pins are fully engaged.

Then fire up your system and use it a bit to heat up the chip and let the thermal paste heat and spread. Then check your temps again. If it's still sky high, then contact your retailer and ask for a replacement.
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