Very high temps on new build


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So I spent the evening putting together a new build and am getting 70c+ idle!

From past experience of DOA components I built the setup out of the case on a workbench. Fired it up and all seemed ok so went ahead and fitted into the case. The CPU fans were going full chat during OS install which was slightly concerning but let it run its course.

Once installed I booted into BIOS and again, fans going crazy with temps gradually creeping up, I switched off at about 75c.

One thing to note, during installation into the case I had to remove the CPU cooler and re-fit it once the MB was in place - surely I shouldn't need to reapply thermal paste because of this?

All components are new:

Asus Maximus VII Formula

i3 4130

Corsair Dominator 8GB

Corsair H80i

Admittedly when checking temps etc the case was open with only 1 case fan wired up but again, surely that shouldn't result in these kind of temps?

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yes. you should've re-applied thermal paste. once you remove it and it dries, it cannot be uniform again.

this

 

was just about to say the same thing after I read the OP

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yes. you should've re-applied thermal paste. once you remove it and it dries, it cannot be uniform again.

Would it really dry in that time though? Was off for maybe 5mins tops?

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Re apply thermal paste, the amount of fans is of secondary concern so long as the cpu heatsink and fan are running fine

I'm thinking if it's a coupled heatsink, (by this I mean 2 piece, as opposed to the single aluminium block with fins) it may be faulty, so I'd also consider a replacement or an alternative cooling system.

Also, check bios to see if threading options are being used in the correct manner

(I mention this as I once installed win 7 onto an ancient clevo d9t, it was going crazy until I activated hyperthreading, then it settled right down.)

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Is the Mainboard one that uses EFI? We built a new one a couple of months ago that uses the AMD 5350 and it was getting up to 55C at the Setup screen. We installed Windows and it never got past 22C, then 28C under load. And this is on the stock Heatsink/Fan. Of course, a processor like that one will never require extra cooling beyond a simple reapplication of the thermal compound. Those plastic clips are just plain dumb though. Anyway ...

 

Don't believe what the sensors are telling you at Setup Screens. Install your OS first, flash the EFI/BIOS, then read the sensors in the OS. Updates are needed, especially with newer processors, because the board manufacturers are constantly improving drivers and firmware.

 

Just FYI, and keep calm. :yes:

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OK - the paste used by Corsair is good (Shin Etsu) - if you had used this from another build, then yes - re-apply - if this was brand new out of the box - there is NO reason to mess with paste.

Judging from your build HW - I would double-triple check the mounting hardware where the heatsink/pump hooks up to the mobo & mounting bracket.

If the corsair H80 worked great before - and now temps are high - you need to figure out what is the problem by process of elimination.

If you have the stock heatsink - you can use that for testing - if it fixes the temps - you know the issue was the Corsair - or the mounting of the Corsair....

It could be a bad CPU - I have seen that - and it did EXACTLY what you are describing.

But, grain of rice size of thermal paste, and make sure it is mounted on mobo flush & firmly attached.

Others are not reading the post and offering advice for regular heatsinks & fans - you do NOT need more fans

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So I spent the evening putting together a new build and am getting 70c+ idle!

From past experience of DOA components I built the setup out of the case on a workbench. Fired it up and all seemed ok so went ahead and fitted into the case. The CPU fans were going full chat during OS install which was slightly concerning but let it run its course.

Once installed I booted into BIOS and again, fans going crazy with temps gradually creeping up, I switched off at about 75c.

One thing to note, during installation into the case I had to remove the CPU cooler and re-fit it once the MB was in place - surely I shouldn't need to reapply thermal paste because of this?

All components are new:

Asus Maximus VII Formula

i3 4130

Corsair Dominator 8GB

Corsair H80i

Admittedly when checking temps etc the case was open with only 1 case fan wired up but again, surely that shouldn't result in these kind of temps?

 

Hi, I have the H100i with an i7 4790K. Check the orientation of the backing plate for your H80i and ensure that the notch / gap is clearing the two bolts for the clamp on the rear of the motherboard. There isn't any text in the manual to demonstrate this - just a LEGO/Ikea style diagram. In my experience, I had fitted it correctly the first time around then cocked it up on the second attempt when re-seating the board to allow for better cable management - it's very easily done.

 

Corsair's thermal paste layer is very unmalleable when fitting cold components and because of this, it doesn't seem to make very good even contact for the socket 1150 (not that there's a lot you can do about that for the first installation). I would clean & replace thermal compound with something more viscous. If you find that your motherboard is thin like mine (Gigabyte GAZ97N-Gaming 5), you may need to use the included 1mm washers on the rear backing plate to give the screw bolts a tighter fit. This isn't in the manual but it is well discussed on the Corsair forums (working very well for me).

 

Edit: I'm using the washers on the rear of the board, not the CPU mounting side.

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Oh, and make sure when you mount the heatsink that you aren't smashing the traces (or are in danger of doing so) on the Mainboard. That'll kill a board every time.

 

Remember, this is Neowin -- we're a bit more ... cautious and aware ... than most about that sort of thing. ;)

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Thanks everyone. Unfortunately my thermal paste is in the loft and my missus would murder me if I went scrounging around up there at this hour so looks like events are postponed til tomorrow night after work.

Will clean / reapply some paste and see how things go!

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Thanks everyone. Unfortunately my thermal paste is in the loft and my missus would murder me if I went scrounging around up there at this hour so looks like events are postponed til tomorrow night after work.

Will clean / reapply some paste and see how things go!

Another thing to remember is that thermal paste has a shelf-life of about 2 years.

 

It may be best to buy a new tube.

 

Make sure you scrape off all the old paste and clean it away.

 

Watch a Youtube video on replacing thermal paste, if you need to.

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Those water coolers are rubbish to be honest. My friend has one installed on his machine, and the fact that its water cooled, temps were higher than my air cooled CPU. I always use thermalright for my coolers, they drop the temp by atleast 20 degrees on my gpu and cpu.

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I have had a case in which the pump in closed loop water cooler died. Temps were about 70 degrees Celsius at idle.

The symptoms for dead pump are hot water block/pump housing, cold radiator and hoses will also probably be quite cool.

This also applies to coolant leaks -> insufficient amount of coolant in the system.

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Those water coolers are rubbish to be honest. My friend has one installed on his machine, and the fact that its water cooled, temps were higher than my air cooled CPU. I always use thermalright for my coolers, they drop the temp by atleast 20 degrees on my gpu and cpu.

i have the H80i as well. it's fantastic. i'd never go back to air after this. It's super silent and waaaaay cooler than my previous, gigantic Megahalems.

 

OP - what's the status? are you sure the pump is even running? have you loaded the Corsair software?

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Well thank you all for the support. New paste applied and am sitting pretty at about 30c now. I know good / properly installed thermal paste is important but I have to admit I'm amazed at how much of a difference it made with the new stuff considering I only removed the cooler (brand new) for literally 5 mins tops and it was written off completely. At least I know for the future!

 

Those water coolers are rubbish to be honest. My friend has one installed on his machine, and the fact that its water cooled, temps were higher than my air cooled CPU. I always use thermalright for my coolers, they drop the temp by atleast 20 degrees on my gpu and cpu.

 

Only time will tell I guess. I read loads of reviews before buying and although there were a few bad(ish) reviews, mainly down to the high noise levels, the good reviews certainly outweighed the bad. Mine seems to be running very quietly now, but I do also know how loud it can go at full speed! For now though, I am a happy man.

 

Thank you all again. I sometimes don't know what I'd do without this place.

 

 

i have the H80i as well. it's fantastic. i'd never go back to air after this. It's super silent and waaaaay cooler than my previous, gigantic Megahalems.

 

OP - what's the status? are you sure the pump is even running? have you loaded the Corsair software?

 

 

Sorry Jason, just saw your post. All is good now thanks. Glad to hear another positive review of the cooler aswell, your not wrong about the noise levels either. I just hit reboot for some updates to complete and went for a ciggie. Came back and thought it had shut down. Confused, I gave the mouse a quick wiggle and I am presented with the login screen. I think I made a face similar to this :D Not loaded the Corsair SW yet but it is on my todo list. Also got an RM550 so will be nice to check that out too with the SW.

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Those water coolers are rubbish to be honest. My friend has one installed on his machine, and the fact that its water cooled, temps were higher than my air cooled CPU. I always use thermalright for my coolers, they drop the temp by atleast 20 degrees on my gpu and cpu.

 

Well then you need to be a friend to your friend and suggest that they read this thread to get theirs working correctly then.

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