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Stupid question about thermal paste

post #1 of 21
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Is it the glue-like paste that sticks together your heatsink and CPU/GPU? Because I took out my heatsink off my phenom 9500 so that I could clean off the dust (it was glued together), and then put it back on. Is this a problem? Haven't notice a significant increase/decrease in temp.
    
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post #2 of 21
You should get new thermal paste. The fact that it was like glue means it's really old and should be replaced. And after you separate the CPU and heatsink, you should always replace the grease no matter what, as air bubbles form.
post #3 of 21
nono, once you take of thermal paste you need to reapply new one..

no its not glue, its out there for best thermal heat dissipation.
    
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post #4 of 21
Thermal paste is a material that helps heat transfer between your CPU and heat sink. It is essential that you have some, so if you cleaned it all off and put things back together, get some before you stress your CPU.

I would suggest getting something like some MX2 / MX3 / Artic Silver 5 / whatever from your preferred retailer ASAP.

Paste does stick the cooler to the CPU slightly, but should pull apart with a little twisting. Thermal glue is often used for heatsinks on other components, such as north / south bridges on older boards, and that will stick the heatsink to the component fairly permanently.
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post #5 of 21
Ditto to what these guys said.

I'd recommend Arctic Cooling MX-4 for new paste.

Clean off your heatsink and cpu with some rubbing alcohol and q-tips and reapply with some good paste and you'll be right as rain.
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post #6 of 21
Quote:
Originally Posted by -Allen- View Post
Is it the glue-like paste that sticks together your heatsink and CPU/GPU? Because I took out my heatsink off my phenom 9500 so that I could clean off the dust (it was glued together), and then put it back on. Is this a problem? Haven't notice a significant increase/decrease in temp.
Lol, you took the tim off then put the heatsink back on?

Take the heatsink off again, get isopropyl alcohol (90%+) and clean the top of the cpu and bottom of heat sink. Reapply thermal paste (imo) in the pea fashion) Youtube it if you need to.
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post #7 of 21
Fresh thermal paste is somewhat similar to the consistency of toothpaste. But after a long period of time, it can harden and act a bit like glue. Although, its purpose is to enable the most efficient transfer of heat possible from the CPU to the heatsink.

Generally, when removing a heatsink (when separating a heatsink from the CPU), the old thermal paste should really be cleaned off and then some fresh thermal paste should be applied.

However, if you don't have any significant differences in the temps while under full load (idle temps don't really count due to the purpose of the sensors), then I guess you're fine.

But if you don't yet know if your load temps are any different, then let's check that right now and see what the result is.


Edit: Guys, he did not say that he cleaned the TIM off. All he said he did was that he detached the CPU from the heatsink, removed the dust from the heatsink, and then reinstalled it. He didn't say anything about removing the thermal paste.
Edited by TwoCables - 1/30/11 at 8:14am
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post #8 of 21
Thread Starter 
Ugh..... another trip to the store.... thanks for the help everyone.
    
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post #9 of 21
Quote:
Originally Posted by -Allen- View Post
Ugh..... another trip to the store.... thanks for the help everyone.
What are your load temps now?

What were they before?
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post #10 of 21
I would like to add to this, I have removed my heat sink once and left the thermal paste on the CPU, then attached the heat sink with the same thermal paste, and saw no difference in temps.
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