CPU at 80C on idle, New to PC Builds. Some help would be really nice :(

Luke Fisher

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Feb 19, 2014
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Hey everyone, im new to building PCs and have been upgrading my system over the last few months. I'm not to sure if i have gone wrong somewhere but my CPU is sitting on 80c when idle on the desktop, i made sure i did everything right and proper when installing new components.

My CPU cooler is only a stock intel cooler which has recently come loose and wont fix solid on the motherboard. Im replacing it as of next fortnight and was looking at the Noctua NH-C14 All-In-One CPU Cooler Noctua NH-C14 PCCG.com.

Here is my build specs;

Intel Core i7 3770K @3.50GHz
Z77 MPower MSI Motherboard
Corsair Dominator Platinum (2x4GB) DDR3
MSI GeForce GTX 760 Gaming Edition OC 2GB
Corsair AX760 Platinum Power Supply

This system is all installed in a Corsair Carbide 300R Compact Gaming Case.

Any suggestions to find out whats causing this heat? Im a little worried about, im still new to this so be gentle and dont bombard me with info xD

Ty :)
 
Solution

veladem

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Sep 6, 2012
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Ooooh boy, get CPU Temp and see if you get an accurate read out, in hope that that reading is false. If that read out is real, which I'd hope it's not, cause you shouldn't run it at no load that high as it could do some serious damage to the CPU.

Get one of these coolers;

CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.99 @ NCIX US)

CPU Cooler: Corsair H60 54.0 CFM Liquid CPU Cooler ($59.99 @ Newegg)

CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler ($97.16 @ Amazon)

CPU Cooler: NZXT Kraken X60 98.3 CFM Liquid CPU Cooler ($119.99 @ Amazon)

Proper case airflow will help, open the side of the case if there aren't case fans already in place, also, the way the case fans are set up matters, can't have them all pushing out, as such, I have 1x200mm and 1x140mm in and 1x200mm and 1x140mm out. Parts get dirty, but it works to provide good airflow as the temps where I am are pretty cool even in the summer.

Also, invest in some good thermal paste, it will help your temps a bit;

Thermal Compound: Arctic Silver 5 High-Density Polysynthetic Silver 3.5g Thermal Paste ($6.69 @ OutletPC)

Best of luck, Vel.
 

Markkk

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Jan 2, 2012
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Intel Stock Cooling is insufficient to start with - broken clip or not

Intel CPU's will shut down to prevent destruction, but will lesson the longevity of the CPU

Almost any after market fan will help. just make sure it will fit in your case and Motherboard... Some fans don't work with some larger ram as they can collide with motherboard heat sinks.

Also Consider installing any Case fans since is a smaller case to improve air flow

Best of luck
 

verma1891

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Jun 18, 2011
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Maybe the software that you are using to monitor is reporting erroneous readings. Use software like HWMonitor to monitor.

1. Check the cpu fan is spinning properly without any obstruction. Clean and replace if necessary. Ensure free airflow.
2. Check thermal paste between heat sink and CPU. It should not be too much or too less. It should be such that there is no air between the CPU and heat sink joint.
3. Ensure the heat sink is tightly secured in its position with all the screws up to the recommended tension level or clips positioned correctly and secured.
4. For the "K" series of processors, a good aftermarket cooler is recommended. The best VFM is CM Hyper 212 evo.-http://pcpartpicker.com/part/cooler-master-cpu-cooler-rr212e20pkr2
 

Luke Fisher

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Feb 19, 2014
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Thanks for the replies, i tried out the HWMoniter software but its showing the same, the orignal readings are from the built in temp dial on the board.
Here is a screenshot of HWMoniter's readings: https://imageshack.com/i/0r15ygj
- These readings were taken with World of Warcraft (The main load usually) running in the background, but i was idle in Stormwind at the time.

I've heard about the Corsair H100i before but being new to pc builds im still kinda touch and go with water coolers, any guides or walkthroughs on installing and up keeping for the H100i that you know of? I also removed the side panel to allow the air flow in, at night its still around 75c with my windows open and the cold night air circulating the room.

Also i have already ordered in some Arctic Cooling MX-4 Thermal Compound (4g) before posting on this forum which should arrive anytime soon and i will replace the current layer which to me looks kinda dodgy but im most likely to fussy about it, id rather have piece of mind that's its alright on that part.
As for the heat sink its secured as much as i can secure it without damaging the board, and seems to stay there for the meantime. But it will be getting replaced asap.

My board (from what i can tell) only has two fan slots apart from the cpu fan, is their such a thing as a double adapter or something that allows multiple fans on the one slot?

Thanks for your patience, im not a total pro at this yet but im learning thanks to you all :)
 

verma1891

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Jun 18, 2011
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If you have checked everything and still it isn't running cool, then your heat sink is dodgy most probably. H100i is a good option for water cooling. Here's a guide for installation-https://www.youtube.com/watch?v=Wdnt4-3njk0

If you dont want to go for liquid cooling, CM hyper 212 evo is one of the best options.

And one more thing, if your CPU is running hot, I would advise not to play games or do intensive work that may heat up the chip until you find proper cooling solution. High temperatures lessens the life of the chip and in rare cases, can even fry it up.
 
Solution

Luke Fisher

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Feb 19, 2014
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Thanks again for the help, i'll be getting the H100i when i can and that guide will help a lot when i do :) Im not going to use my PC until i have the new cooler installed. When they come in i'll create another post about it on these forums to just make sure its running smooth. My PSU does also have the molex connections and i found that i had some adapters for them in a box of other useful PC cords so i shall order some fans as well.

Thanks for all the help and I'll cya in round a week and a bit hopefully with good news! Thanks ^-^