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Thread: Thermal paste

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    Default Thermal paste

    Just did my yearly re-application of thermal paste on my CPU. Temperature dropped nearly 10 degrees!!

    That's all, just had to share!
    “You know the world is going crazy when the best rapper is a white guy, the best golfer is a black guy, the tallest guy in the NBA is Chinese, the Swiss hold the America's Cup, France is accusing the U.S. of arrogance, Germany doesn't want to go to war, and the three most powerful men in America are named "Bush", "Dick", and "Colin." Need I say more?” - Chris Rock

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    What's "Thermal Paste"?
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    Quote Originally Posted by Mr. P View Post
    What's "Thermal Paste"?
    What he said...
    After the game, the king and the pawn go into the same box - Author unknown

    “Unfortunately, the truth is now whatever the media say it is”
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    The CPU in any computer generates heat. That's why you see a "heat sink" and fans in your computer, to help cool them down. The heat sink is a cube like device that absorbs the heat from the CPU, and then the attached fan helps cool the heat sink. The heat transfer needs to be performing optimally in order for the heat sink to absorb as much of the heat as possible. The thermal paste is applied on top of your CPU and on the heat sink, sort of a "glue" if you can picture it better, to act as a barrier between the 2. But it's really not a barrier, but a layer of paste that helps absorb the heat in a more efficient manner from the CPU to the heat sink. And there are all different brands of the paste, and you get what you pay for. If you pay for the good stuff, it will probably help keep your CPU cooler than the cheap crap that comes with a new CPU.

    Then again, I could be way off base, but the above has worked for me!!
    “You know the world is going crazy when the best rapper is a white guy, the best golfer is a black guy, the tallest guy in the NBA is Chinese, the Swiss hold the America's Cup, France is accusing the U.S. of arrogance, Germany doesn't want to go to war, and the three most powerful men in America are named "Bush", "Dick", and "Colin." Need I say more?” - Chris Rock

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    Quote Originally Posted by jimnyc View Post
    The CPU in any computer generates heat. That's why you see a "heat sink" and fans in your computer, to help cool them down. The heat sink is a cube like device that absorbs the heat from the CPU, and then the attached fan helps cool the heat sink. The heat transfer needs to be performing optimally in order for the heat sink to absorb as much of the heat as possible. The thermal paste is applied on top of your CPU and on the heat sink, sort of a "glue" if you can picture it better, to act as a barrier between the 2. But it's really not a barrier, but a layer of paste that helps absorb the heat in a more efficient manner from the CPU to the heat sink. And there are all different brands of the paste, and you get what you pay for. If you pay for the good stuff, it will probably help keep your CPU cooler than the cheap crap that comes with a new CPU.

    Then again, I could be way off base, but the above has worked for me!!
    Maybe I should rethink my toothpaste applications an look into that stuff.

    Just kiddin,
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    Quote Originally Posted by Mr. P View Post
    Maybe I should rethink my toothpaste applications an look into that stuff.

    Just kiddin,
    I would imagine what goes between your toothbrush and your teeth is probably even more important! But I'm afraid that while the "thermal paste" may absorb heat from your teeth, it may also make you a little uglier! LOL
    “You know the world is going crazy when the best rapper is a white guy, the best golfer is a black guy, the tallest guy in the NBA is Chinese, the Swiss hold the America's Cup, France is accusing the U.S. of arrogance, Germany doesn't want to go to war, and the three most powerful men in America are named "Bush", "Dick", and "Colin." Need I say more?” - Chris Rock

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    Quote Originally Posted by jimnyc View Post
    I would imagine what goes between your toothbrush and your teeth is probably even more important! But I'm afraid that while the "thermal paste" may absorb heat from your teeth, it may also make you a little uglier! LOL
    Well, I meant toothpaste on my CPU NOT my teeth. Besides, I'm in BAMA now how may teeth ya think i got? Geeezzzz
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    Quote Originally Posted by Mr. P View Post
    Well, I meant toothpaste on my CPU NOT my teeth. Besides, I'm in BAMA now how may teeth ya think i got? Geeezzzz
    Well, since you're from GA, more than your average Alabamian?
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    Quote Originally Posted by jimnyc View Post
    Just did my yearly re-application of thermal paste on my CPU. Temperature dropped nearly 10 degrees!!

    That's all, just had to share!
    I've been fixing pc's as a semi hobby, semi business for a few ;years.
    Not onlly thermal paste, but cleaning the dust from the heat sink, especially if smoking and or pets are in the house.
    I just bought a toshiba PD it has a huge 18.4 h screen, isnt very old,duo core and all that.

    typically sells for over $500 used on ebay

    it HAD An issue, it would shut down after being on for just a few minutes. This is a laptop by the way.
    I simply put thermal grease on it and havent had a problem since, Im using it right now, its a great machine, people bitch about how companies dont make laptops durable, but its m,ostly their own neglecty which leads to problems
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    Quote Originally Posted by jimnyc View Post
    The CPU in any computer generates heat. That's why you see a "heat sink" and fans in your computer, to help cool them down. The heat sink is a cube like device that absorbs the heat from the CPU, and then the attached fan helps cool the heat sink. The heat transfer needs to be performing optimally in order for the heat sink to absorb as much of the heat as possible. The thermal paste is applied on top of your CPU and on the heat sink, sort of a "glue" if you can picture it better, to act as a barrier between the 2. But it's really not a barrier, but a layer of paste that helps absorb the heat in a more efficient manner from the CPU to the heat sink. And there are all different brands of the paste, and you get what you pay for. If you pay for the good stuff, it will probably help keep your CPU cooler than the cheap crap that comes with a new CPU. Then again, I could be way off base, but the above has worked for me!!
    90% of its function is to prevent corrosion between the heat sink and the CPU. If you mounted them together dry, they would chemically destroy each other because they are not compatible. So, they came up with a paste that insulates chemically the two components, but allows efficient heat conduction and transfer as well.
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    Quote Originally Posted by Red Neckerson View Post
    90% of its function is to prevent corrosion between the heat sink and the CPU. If you mounted them together dry, they would chemically destroy each other because they are not compatible. So, they came up with a paste that insulates chemically the two components, but allows efficient heat conduction and transfer as well.
    I would disagree with that. while corrosion may be a problem, its main purpose is to transfer heat to the heat sink from the cpu, corrosion wont stop a computer from working, overheating will
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    Quote Originally Posted by LuvRPgrl View Post
    I would disagree with that. while corrosion may be a problem, its main purpose is to transfer heat to the heat sink from the cpu, corrosion wont stop a computer from working, overheating will
    The heat would transfer nicely if they were mated dry. It's just a conductive paste, it's not a heat magnet. It doesn't accelerate the process of thermal transfer, it simply does not interfere with it. But if they were mated dry it would not take long for the chip to be destroyed by the war between dissimilar metals.
    ‎'Is there anything wrong with anything.' Is that what you're asking, friendo?

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    Quote Originally Posted by Red Neckerson View Post
    The heat would transfer nicely if they were mated dry. It's just a conductive paste, it's not a heat magnet. It doesn't accelerate the process of thermal transfer, it simply does not interfere with it. But if they were mated dry it would not take long for the chip to be destroyed by the war between dissimilar metals.
    I have put pc's together with no paste, and they usually overheat.d
    I have never seen corrosion on any pc '[s that I have worked on.


    do you know what kind of metal the plate on the cpu is made of?

    example, the laptop im using right now, I paid $/200 for it, no mally it sells for over $500 on the low end, it was ;shutting down.
    I suspected I knew the reason, and as often happens, there was very little thermal grease and it was overheating. No corrosion though, and now Im enjoying my laptop with an eighteen point four inch screen as it performs flawlessly.
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    Quote Originally Posted by LuvRPgrl View Post
    I have put pc's together with no paste, and they usually overheat.d I have never seen corrosion on any pc '[s that I have worked on. do you know what kind of metal the plate on the cpu is made of? example, the laptop im using right now, I paid $/200 for it, no mally it sells for over $500 on the low end, it was ;shutting down. I suspected I knew the reason, and as often happens, there was very little thermal grease and it was overheating. No corrosion though, and now Im enjoying my laptop with an eighteen point four inch screen as it performs flawlessly.
    It does depend on the two materials' composition and their compatibility, as to whether they quickly start attacking one another. I have been a EET for 20 years, I would never put any semiconductor in without the conductive paste. One thing it does do well, it distributes the heat evenly over the surfaces, helping get maximum heat transfer. Computer processors aren't much of a heat generator compared to something like, power transistors. They just can't tolerate any heat to speak of. This is why it is important to move what heat there is, away.
    ‎'Is there anything wrong with anything.' Is that what you're asking, friendo?

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    Good definition, pretty much the same as Red, here on Wiki. Some other good tips about it on the page too.

    All I know for sure, is that it's extremely important to keep your CPU cool, and thermal paste helps draw the heat away. And it's a cheap fix/enhancement.

    Thermal grease (also called thermal gel, thermal compound, thermal paste, heat paste, heat sink paste, heat transfer compound, heat transfer paste (HTP) or heat sink compound) is a viscous fluid substance, originally with properties akin to grease, which increases the thermal conductivity of a thermal interface by filling microscopic air-gaps present due to the imperfectly flat and smooth surfaces of the components; the compound has far greater thermal conductivity than air (but far less than metal). In electronics, it is often used to aid a component's thermal dissipation via a heat sink.
    http://en.wikipedia.org/wiki/Thermal_grease
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