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Need help with Thermal Gel

post #1 of 9
Thread Starter 
I have seen a avg of 10 degree increase in my idle and active CPU Temp. Its a new computer build reaching its 8 month age. I was getting rougly 35 idle and now its 46 to 50 ;/ I am using a Corsair H 50 and want to know what I should do.

Is it possible the gel is wearing a bit thin?
Should I replace it?
what should I replace it with gel wise? (cost no object)

is there any procedure sides wiping the contact surfaces well with a high % alchohol?

Anything else you can suggest?


Thanks in advance
post #2 of 9
Thermal compound will dry out over time but 8 months is rather fast. Are you in Australia, where it is summer time and warmer than average? Each TIM will have different application instructions, but as you have said, the main thing is to clean the old stuff off very well with alcohol. I personally have used Arctic Silver 5 for years and never had an issue with it and find it is the easiest to apply, but the most difficult to remove. thumb.gif

EDIT: Have you moved your computer recently? You may have an air bubble trapped in the line preventing it from flowing well.
Edited by Braaapp - 11/19/11 at 11:26pm
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post #3 of 9
Thread Starter 
No I'm in NE US but its almost always mid 80s. I have-not moved it recently but how do I remove a bubble? Shake it a bit? I am sorry to say I don't know what a TIM is though frown.gif I'm going to clean out its filter and fans tommorow and see how that goes.

I have some article silver 5 too in case
post #4 of 9
TIM = Thermal Interface Material = Thermal Gel. Cleaning the fan and filter is a great idea. I clean my H100 weekly right before I defrag. If you haven't moved your computer recently it shouldn't have any bubbles.. but just for future reference, leaning the computer from side to side and front to back should help any bubbles surface to the top of the radiator and out of the pump if they happen to accumulate there.
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post #5 of 9
Thread Starter 
Ok update time
I took off the H50 to get a look at the filter, a good amount of dust but I took it off to look at the contacts for the CPU and these pics I think say it all

http://i122.photobucket.com/albums/o275/Reidlos65/2011-11-20_13-56-36_537.jpg
http://i122.photobucket.com/albums/o275/Reidlos65/2011-11-20_13-55-55_472.jpg

So Im thinking the best course of action is to re apply the gel

any tips on removing and reapplying the artic?
Edited by Reidlos65 - 11/20/11 at 11:06am
post #6 of 9
Thread Starter 
my H50 has screw holes on the contact edges, should I do what I can to remove it from the screws? or just make sure the surface is clean?
post #7 of 9
IMO I'd clean off as much as humanly possible, but I'm just a stickler for things like that. Some residual TIM on the screws shouldn't affect it in itself, but might rub off on the motherboard or the CPU when you reinstall it, contaminating the surface. I use a lint free cloth to get the majority of the old stuff off, then come back with alcohol and get the surface spotless. Make sure you don't touch the surface of the pump block or the processor after you clean it as this could affect temperatures. ALSO, any arctic silver that gets on anything but the processor mounting area should be cleaned off 100% as it is somewhat electrically capacitive. I've always followed the instructions Arctic Silver has on their website. http://www.arcticsilver.com/intel_application_method.html#
Edited by Braaapp - 11/20/11 at 11:34am
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post #8 of 9
Thread Starter 
Ok so I blew out the vent, cleaned off the H50 and the CPU of the old gel, I did what the artic site said and "tinted" the H 50 wiped off the excess BUT instead of a line application I did the "Dot" version. Think that will be ok?

So it says 200 hours to cure, right now my temps are the same as what they were before I did all this. This is expected correct? Overtime the curing will slowly complete and it should drop?


Thanks for your help, I have a mild paranoia about these things and I just like to get as much info as possible tongue.gif
post #9 of 9
I don't see what's wrong with what you had.

Arctic silver wipes right off with alcohol. Not "rubbing alcohol", but denatured alcohol from the hardware store. Isopropal doesn't come as 100% as it absorbs water from the air, but if that's what you have on hand it should work OK.
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