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Windows 7: Thermal Paste Expired?

21 Jun 2015   #11
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

I like Arctic 5. Used it for years and still do.

Here are some instructions from Arctic 5.

http://www.arcticsilver.com/pdf/appm..._line_v1.1.pdf


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21 Jun 2015   #12
GokAy

Windows 7 Ultimate x64 SP1
 
 

I am not sure if this would help you but whenever I do some screwing, I don't screw one to full tightness but rather go in turns, move from one to its diagonal etc.
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21 Jun 2015   #13
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

As previous reply I use Artic 5 and I find the preparation solution a must - but that is me being pedantic.

Now I stated I use a vinyl glove and that is because then I know the compound is even though very thin is right to the edges of the CPU and the cooler plate/s. Some advocate just putting a dot of compound in the centre of the CPU and let it "bleed" out but I have pulled quite a few off where this has been done and the coverage is well pathetic to say the least.

The important things are that the plates are absolutely clean (old compound can be quite hardened so is why I use a citrus oil base solvent to clean first) / coverage is even / not too much applied (some of the older and AMD CPU's have pins and getting compound into them is a nightmare to clean out / and that the fixing of the cooler is done evenly. I have heads some say it takes so many hours for the compound to "bleed" evenly between the two surfaces and that may be true in some cases - again which is why I spread the compound thinly first.

But you must do whatever you think best - it's your machine eh?
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24 Jun 2015   #14
charkzilla20

Windows 7 Professional
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post

When you remove the cooler after some use, you're going to see an inkblot of some type, but I wouldn't draw any radical conclusions from it unless it was extremely peculiar. There's too many unknown variables related to the microscopic peculiarities of the two mated surfaces and the mounting pressure and technique.
The paste was all bunched up on one side and separated and clumpy...

I ended up going with the Arctic 5, and I also binged and got a h100i gtx :P. It's VERY quiet.
With that installed (testing without arctic paste, stock paste only), I'm seeing some nice temps on 4.6ghz overclock (mid 60s) running prime95 blend test after a half hour, except when the test switches to "test 2, 3200000 Lucas-Lehmer iterations of m163839 using FMA3 FFT length 8k, pass1=128, pass2=64" the whole cpu ramps up to high 80s for a minute. Then after it's finished that section, it goes back down to 60s...
Is that bad?
In comparison, stock 3.6ghz (3.4 with 3.8 boost = 3.6 for all four) on the old air cooler averaged mid 70s for the same test. So I'm gaining a full 1.0ghz and dropping 10c with the water

I notice the cooler keeps a temperature of 33 degrees or less, and so when I stop p95, the core temp jumps back to 30 instantly. I think that's good, no?

Quote   Quote: Originally Posted by GokAy View Post
I am not sure if this would help you but whenever I do some screwing, I don't screw one to full tightness but rather go in turns, move from one to its diagonal etc.
Star-pattern, yes, I do that, thanks.
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24 Jun 2015   #15
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Yep another good way of getting the temp is to get one of those infra red temperature "guns" just aim the red laser spot at the surface you need to test and it gives it immediately.

It may be a little over the top for some but I like it and they are reasonably cheap, and you can check the temp of anything really doesn't have to be in a computer. For example before I changed a light globe I check the temp to see how hot it is if it has been running, the temp of any surface I want to touch, food, my fish tank water etc .
The one in the pic gives a good idea of what it looks like and they range from $10 - $30.


Attached Thumbnails
Thermal Paste Expired?-infra-red.png  
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24 Jun 2015   #16
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

see comments in bold:

Quote   Quote: Originally Posted by charkzilla20 View Post

I'm seeing some nice temps on 4.6ghz overclock (mid 60s) running prime95 blend test after a half hour, except when the test switches to "test 2, 3200000 Lucas-Lehmer iterations of m163839 using FMA3 FFT length 8k, pass1=128, pass2=64" the whole cpu ramps up to high 80s for a minute. Then after it's finished that section, it goes back down to 60s...
Is that bad?

Hmmm......... I'm wondering about the 1 minute in the 80s. I've never noticed anything like that, but I'm not expert on Prime 95.

I ran Prime 95, blend, in place large, and small ffts a month or so ago. In my case, all 3 tests peaked at 67 for the hottest of the 4 cores. I ran all 3 tests for 20 minutes, not a half hour. I've heard it said that small ffts normally results in the highest temps, but it did not for me.

I wouldn't worry about a minute in the 80s. I assume you saw no throttling.

I've also heard that recent versions of Prime 95 put an unrealistic stress on the CPU and that something like Intel Extreme Tuning Utility (aka XTU) or OCCT are more realistic of what you might encounter in real world use.


Here's the quote:

"The latest Intel CPUs feature the AVX instruction. Prime 95 27.7 and newer versions supports the AVX instruction which results in a higher load and core temperature. This will result in a lower overclockability, but a higher stability. However, almost no program or game can handle the AVX instruction. If you’re not using anything which features AVX, you can use Prime 95 26.6 without AVX so you might reach higher clocks."

Maybe the 80 plus temps were caused by the AVX instruction?



In comparison, stock 3.6ghz (3.4 with 3.8 boost = 3.6 for all four) on the old air cooler averaged mid 70s for the same test. So I'm gaining a full 1.0ghz and dropping 10c with the water

Did you see a similar 1 minute jump to a much higher temp with the air cooler, just as you did on the new cooler? Did you use the same version of Prime 95?

I notice the cooler keeps a temperature of 33 degrees or less, and so when I stop p95, the core temp jumps back to 30 instantly. I think that's good, no?

Back to 30 instantly? That's not seen on air cooling, but you're on liquid. May be normal for liquid; I've never used it. Air coolers will drop back to normal in a few minutes, but will drop SOME near instantly.
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24 Jun 2015   #17
charkzilla20

Windows 7 Professional
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
Did you see a similar 1 minute jump to a much higher temp with the air cooler, just as you did on the new cooler? Did you use the same version of Prime 95?
[/QUOTE]


Your whole post was very informative. Thanks a lot

Yes, p95 was spiking on one or two particular tests in a stress test up to 90s or so, even 100 in some cases, and i had throttling down for the first time ever. cooked me an egg while doing so.

Lightbulb:
I had a drive crap out on me a month ago, so I had to reinstall p95. I got the latest version, which I think uses the AVX instruction i didn't have before. With a new drive, I also changed the thermal paste. I think the p95 update made me think the paste was not working. I still enjoy the cooler though :P

Thanks for your help, again

Quote   Quote: Originally Posted by ICIT2LOL View Post
Yep another good way of getting the temp is to get one of those infra red temperature "guns" just aim the red laser spot at the surface you need to test and it gives it immediately.

It may be a little over the top for some but I like it and they are reasonably cheap, and you can check the temp of anything really doesn't have to be in a computer. For example before I changed a light globe I check the temp to see how hot it is if it has been running, the temp of any surface I want to touch, food, my fish tank water etc .
The one in the pic gives a good idea of what it looks like and they range from $10 - $30.
OOh i've always wanted one of those. I think i'll just get one anyway XD
My System SpecsSystem Spec
24 Jun 2015   #18
carwiz

Windows 7 Pro-x64
 
 

I've got a temp-gun similar to that but not in that gaudy yellow. It can be powered by USB (to save batteries) and locked on to record High, Low and Average over a long period. It will attach to a standard camera tripod so you don't have to hold it.

I've been using it for plating and automotive engine or A/C work. Never dawned on me to use it on a PC. Great idea!
My System SpecsSystem Spec
24 Jun 2015   #19
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Yep carwiz mate I use it all the time like I said for the fish tank especially and yep my one is yellow like the pic only cos it was the first one I came across that I could afford at the time
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28 Jun 2015   #20
charkzilla20

Windows 7 Professional
 
 

So long story short, the new h100igtx is fantastic! I'm doing the final stability tweaks on a 4.7ghz overclock (1.28v) on my 4670k and XTU tests will never go above 70c. And the best part is that it is VERY QUIET. The "corsair link" software is really funky though, and I can't really use it, it's so broken. But once it's set, it works.

I'll be de-lidding my cpu and replacing the IHS thermal compound with some of that fancy Liquid Metal stuff. That's another project though. Maybe sometime this summer. Gotta get a job first XD lol.

And with that, cpu cooling stuff seems good for now.

Thanks for your help everyone.

P.S. I'm gonna get one of those temp guns. They look fun. XD
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