4790k overheat 100c

Rudy_6

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Jun 29, 2017
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I have a i7 4790k on a Asus Maximus vii formula with the stock heatsink and fan. Hwmonitor keeps showing me that at idle my CPU is at 70c. I can load up a game such as dirty bomb and it spoke to 100c. Ai suite 3 says I'm at 50c most of the time. I thought it was a wrong CPU reading in Hwmonitor so I downloaded the alternative called open monitor, says the same at 100c. Should I be worried or is this an error
 

Rudy_6

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Jun 29, 2017
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It's been over clocked before but I have it set back to default now. And how can I see my CPU temp in bios? And the overclock I had before was just from the 5 way performance thing in ai suite.
 
1. Remove, then reinstall, using new thermal compound, the heatsink. Use no more than a grain of rice size bead of compound, and do NOT remove the heatsink once pressed into place.

2. Thoroughly clean the heatsink's cooling fins and fan. Use a can of compressed air and a small brush for this.
 

WildCard999

Titan
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If multiple monitoring programs are giving you that temp then there probably correct or at the least, very close. Even a stock cooler shouldn't run that warm however that CPU should really be paired with a aftermarket cooler.

Make sure the stock cooler is properly mounted with the correct amount of thermal paste. And I agree with Herc08, if you have any kind of overclock revert everything back to stock until this temp issue is resolved.
 

Admiral Teddy

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Nov 9, 2013
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I've been having the same problem, but I use a liquid cooler.

For me, one of the following works:

1- Use an air spray to get rid of any dust in the cooler.
2- Check the screws to see if they might be loose, apply a bit of pressure and see if your temps change.
3- Reinstall the cooler by cleaning the thermal paste using some rubbing alcohol and a lint free cloth and then add about a pea size of thermal paste (or as intel likes it, a very thin line)
4- Buy a better CPU cooler, Noctua, arctic, bequiet are all good brands.

You can also try cutting off all the power and leaving the chip to cool down for a little while before trying again.

I hope it gets fixed soon!!

P.S. *DB player high five* :)
 

Admiral Teddy

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No dude, you'll get the same results but you can double check by opening your bios and reading the temps there.
Either way, the stock coolers aren't that great.
 

Admiral Teddy

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That's too high for idle/boot, especially as it seems the voltage is quite low; how long have you had the rig for?

Did you try readings from bios? also definitely try cleaning the fan or reapplying thermal paste and making sure everything is nice and tight.

If you dont get 35-40 idle by doing that, you should invest in a new cooler.

Cryorig H7 universal is an affordable and nice air cooler, H5 is a bit better but a little more expensive. (£35 and £45 respectively).

Let me know how it goes!
 

Rudy_6

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Jun 29, 2017
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I just purchased the rig off of friend, everything is about 5 months old. Full spec list is
Corsair Carbide spec 02 case
Asus Maximus vii formula Mobo
16 gb Corsair vengence
Corsair cx750 psu
And you already Kno the CPU.
I'm ordering a new fan and thermal paste tonight asap, and my voltage was low? Is this a problem? I have everything set to optimized default from bios.
 

Rudy_6

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Jun 29, 2017
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my bios say 50c and so does my ai suite 3. just hw monitor and open hardware monitor are telling me different
 

Admiral Teddy

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Nov 9, 2013
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Hey, sorry for late reply!!

50c is still too high for idle if you want to game.

When I mentioned voltage it was to say that your cpu isn't on "load", so if you were to overclock to 4.5Ghz and run on load, it would bump up to 1.30v but idle is 0.90v or so and your cpu is hitting 50 at that 0.9 which shouldn't be happening.

Either way the stock cooler is the problem in my opinion and a simple after market cooler like the ones I mentioned should do the job!

Just careful to apply the right amount of thermal paste (per cooler's instruction or just a small pea size in the middle) and not to move the cooler when you "press it to install it" so you don't smear it too much.
One more thing: don't press too hard on your cpu when cleaning thermal paste so you dont accidentally bend the legs!!

Best of luck!