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Step 2: Unscrew the back cover of your laptop.

It is important that you have a dismantling experience before proceeding.
My heatsink seems to overheat now and my computer shuts down after about a minutes after booting up. Here's what it looks like:
<p>looks like you have no ventilation. clean out the heatsink and cpu, then apply a very thin EVEN coat of thermal paste on the cpu. replace the heatsink, careful to put it straight down on the cpu. I usually keep the heatsink as level as possible when i put it back on and tighten the screws little by little in a star pattern, like lugnuts on a car</p>
replace CPU
<p>CPU's don't wear out. I have found that if I have a system that is slow AF and all the usual software and hard drive fixes don't work, I clean the chip and the heatsink, check the fan, and reapply thermal paste. I think the thermal paste not functioning correctly is way more common and the source of a slow system than a lot of articles will lead one to believe.</p>
<p>LOLOLOL I thought y'all were being harsh on the dude about his thermal paste, but I laughed out loud when I saw it :D I personally push a little out of the tube and use the tip of the paste to dab and spread it out as thinly and evenly as possible. You did teach me to not use a credit card lol</p>
<p>You need to just put a bit of the size of a grane of rice(maybe even smaller). And don't spread it out yourself. It will happen automaticly when you put the heatsink on.</p>
<p>How NOT to apply thermal compound</p>
<p>Hi, I'm sorry to say but you missed two very important points. </p><p>1) You do not show the results of the cleaning job. After cleaning the CPU and GPU, they should be shiny LIKE A MIRROR, as in, like an actual mirror, literally.<br><br>2) You applied about 100 times the amount of thermal paste that you need. You want to cover the CPU and GPU with AS LITTLE THERMAL PASTE AS POSSIBLE. Again, literally, just enough to cover the surface of the chips with a very thin film and nothing more. In other words, there should be no more shiny mirror surface visible anywhere; if you can achieve that with a thinner layer of paste than you put on, you put on too much.</p>
<p>SM Bonus. Teehee</p>
<p>this instructable is very helpful. thank you</p>
<p>Never spread cooling paste with cards or anything, just apply the heatsink and let the heat spread the paste. Using a plastic card or equivalent leaves air bubbles and gives bad cooling in the long run.</p>
<p>Hi, are you using MSI CX420 laptop?</p>
<p>Well, that speedFan download tries to fill your machine with a load of malware.</p><p>Thanks a lot for that.</p>
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Nice write up. <br> <br>few tips: <br> <br>1. check this video out. when cleaning laptops, I usually go for the blob method. <br>http://www.youtube.com/watch?v=EyXLu1Ms-q4 <br>2. also good idea is to lube up the fan itself. usually they just come out, without any clips. then clean it out, clean the blades (with water, dish soap, and tooth brush. dry it after), and grease the motor. I usually use a drop of mineral oil. <br> <br>Keep it up.
Thanks for the additional tips.
Hi - I was gifted a 6 year old HP Pavilion that ran like a hairdryer all the time and was patently working like an old over hot dog. I was contemplating some severely geeky ideas about cooling the poor thing. The whole thing was dusty where muck and fine, fine dust had crept in - especially sticking to the fan. With a hoover and a small paint brush I was able to clean seemingly all the dust off. However, when reassembled it made little to no difference. Which made me wonder if the fan was at fault. So I dived in a little deeper and got a little braver and took off the heat sink off the GPU and CPU - and with that the fan was able to be freed too. I could then see that the reverse side was still dusty which then got dusted too. Shear nosiness then coaxed me to take the actual fan apart from the fine metal grill on the outlet side. Behold!!! Trapped perfectly between the fan blades and the grill was a huge wodge of wool fibers that covered the whole grill area. They were all felted together like a mega lump of belly button fluff. No wonder the poor thing ran like it did. With it all reassembled (two screws left over...) the lap top had never been so quiet. Barely a whisper. <br> <br>The sad thing is that to clean the lap top you are forced to got these lengths to free the trapped dust and (especially) fibers that come from clothes; carpets, bedclothes; blankets and pets. I wonder if a strategic blast periodically from an airline could solve things so that you don't have to take the heat sink off. When the laptop has cooled down of course. <br> <br>I was told that the paste need only be the size of a grain of rice. <br>
As someone who loves building computers and keeping up to date with technology, there are a few things that need to be cleared up from this instructable. <br> <br>When you remove the heatsink from the CPU or GPU for the first time, make a mental note of where it touches the respective chips and the clean both the CPU/GPU and heatsink spot. <br> <br>The cleaning job you did is not great since you want to remove all the old thermal paste so that the surface of the chip is reflective like a mirror and lint-free. Methods differ on how to apply thermal paste properly but it's agreed upon that a small amount is much better than a large amount. <br> <br>When you actually re-apply the heatsink onto the chips then you're going to have excess spill along the parameter and be a waste. The credit card/card method works best if you apply a thin, uniform layer onto the chip otherwise you will get bubbles in the middle of the new thermal paste after reapplication of the heatsink. <br> <br>Personally I use the line method and it's shown to work really well.
Thanks! Will keep that in mind. But so far my laptop's not experiencing the shutdown anymore, so I guess I would have to save your message up in case dust clogged up the fan and vent again.

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