Is it time for new CPU paste?

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  1. Posts : 422
    Windows 7 Pro
    Thread Starter
       #11

    Okay, I have just applied new thermal paste, cleaned the dust, and now the PC is booted back up.


    Her PC is now ranging from 20-30 degrees celsius, and it goes up to around 60 degrees Celsius under 100% full load for several minutes. I don't have to worry about that, though, as she only browses on Facebook and her CPU usage is never full for several minutes straight. I'm blown away by the positive results. It's even colder compared to my PC! But still, I put more paste on hers compared to mine. I wonder if I should redo mine :/
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  2. Posts : 422
    Windows 7 Pro
    Thread Starter
       #12

    Thank you all very much!
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  3. Posts : 422
    Windows 7 Pro
    Thread Starter
       #13

    Heres a pic
    Attached Thumbnails Attached Thumbnails Is it time for new CPU paste?-speccy.png  
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  4. Posts : 9,600
    Win 7 Ultimate 64 bit
       #14

    Be aware you can put too much paste between a CPU and a cooler and, not only will it not cool as well, it can cause damage to the CPU and the motherboard if the paste squeezes past the IFS (the top of the CPU). See: How-to apply thermal compound - YouTube
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  5. Posts : 422
    Windows 7 Pro
    Thread Starter
       #15

    Lady Fitzgerald said:
    Be aware you can put too much paste between a CPU and a cooler and, not only will it not cool as well, it can cause damage to the CPU and the motherboard if the paste squeezes past the IFS (the top of the CPU). See: How-to apply thermal compound - YouTube
    Hi,

    I understand. I made sure to smooth out the paste on the cpu and then I put very little on the heatsink, while on mine I didn't put any on the heatsink at all. I'm going to look over mine again with a bit caution and see if I can add more without adding too much, thank you for letting me know :)
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  6. Posts : 9,600
    Win 7 Ultimate 64 bit
       #16

    logo897 said:
    Hi,

    I understand. I made sure to smooth out the paste on the cpu and then I put very little on the heatsink, while on mine I didn't put any on the heatsink at all. I'm going to look over mine again with a bit caution and see if I can add more without adding too much, thank you for letting me know :)
    I would only put a dot onto the CPU and let the cooler spread it out when you cinch it down. Spreading it out first sets up the likelihood of trapping air bubbles that will interfere with heat transfer.

    I would also put paste on the cooler only if it had heat pipes on it. I would spread it thin, then scrape off all but the paste that gets into the cracks between the base of the cooler and the heat pipes. Then put a dot on the CPU and cinch down the cooler.

    Keep in mind the CPU chip is actually smaller than the IHS (cover) on the CPU so it isn't necessary for the paste to cover every bit of the cover. A round circle that comes close to the edges of the IHS when you cinch down the cooler is all you need.
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  7. Posts : 422
    Windows 7 Pro
    Thread Starter
       #17

    There's no paste going over onto the Mobo though
    Also the dot method is one of the ways. I've seen ways done where you put a small line down through the middle of the CPU. That's how I did it.
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