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Pea size dot on the die, if the die is square. Smuch the pea.
Rectangular requires a small line.
This is to avoid air bubbles, which you occasionally get when doing patterns like x's or such. In the ideal world, you'd want an even spread and as little paste as necessary, hence the pea comparrison for reference on what "little" means in this context.
Not much you can do wrong really.
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Kate-X257 wrote: In the ideal world, you'd want an even spread and as little paste as necessary
That's why historically I've used the credit card approach - applying it and then using a credit card to smooth and thin it across the entire surface.
To err is human. Fortune favors the monsters.
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Another vote here for "spread it evenly (eg with a card)". From an erstwhile physicist.
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Even, thin layer. Don't let it get on other parts of the board as thermal paste is an electrical conductor.
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As others have said - any way you apply it, you don't want it to get oozing out when you put the chip in. An even coat is sufficient.
It's a bit like a cooking recipe - follow the directions and you'll find it really is as simple as it sound.
As for the dangers of ruining your machine, there may safeguards built into your chip. There was one build where I was rushing and forgot to put the thermal goop in. When I went to power it up it worked great for about a minute, then it did a hard shutdown. I checked my connections, tried again, same result. Then I thought through the build step, and saw the unused tube and thought I'd ruined the machine. But after I added the goop, all was good.
I learned that day that there are thermal shutdowns built into many (most?) modern chips including the one I was using. It's an AMD and I'm still using it now, years later.
If it had been a few years earlier I might have recreated the exploding CPU chip scenario you often see on YouTube.
Cheers!
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I just know that you need fresh paste, and it's expensive now. Using it provides absolute heat transfer to dissipate heat. Like with automotive parts, the stuff will spread evenly, but I can see using a spreader would provide a good even coat across the top of the CPU.The excess will just squish out.
In the future, like with the new Apple M1 chip, we won't need heat sinks anymore because the chip hardly gets that hot and uses way less electricity.
If it ain't broke don't fix it
Discover my world at jkirkerx.com
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The biggest problem I have noticed in machines is too much paste as this reduces the conductivity of the heat. I have found the"credit card" technique results in too much paste. All you are trying to do is fill the micro pits on both the CPU and the heat sink surfaces.
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i have studied physics at the university, but i doubt that will help... scientific progress is mostly of empirical nature and it will emerge that despite the theoretical beauty of the explanation to applying thermal paste, there is a nano-particle catch that yields a totally different result from intuition
but i can tell you what i am doing and what has worked for me in decades. i stopped using thermal paste. there was some tutorial about it that made sense to me. the tutorial was so long ago that maybe was from the previous century, but i remember that the problem i was researching was about how the thermal paste lose it's physical properties in time. after so many working hours at high temperatures
since then i would clean the surface of the heat sink and the CPU cap to a crystal mirror clear state and then mount the heat sink. that's it
the moral of the story is: either use some very expensive HQ thermal paste, either not use paste at all
cheers
ps - "Ivy Bridge(22 nm) temperatures are reportedly 10 °C higher compared to Sandy Bridge(32 nm) when a CPU is overclocked, even at default voltage setting. Impress PC Watch, a Japanese website, performed experiments that confirmed earlier speculations that this is because Intel used a poor quality (and perhaps lower cost) thermal interface material (thermal paste, or "TIM") between the chip and the heat spreader, instead of the fluxless solder of previous generations. The mobile Ivy Bridge processors are not affected by this issue because they do not use a heat spreader between the chip and cooling system. Socket 2011 Ivy Bridge processors continue to use the solder"
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It works exactly the way that wet fingers on your hot porcelain coffee cup transfer more heat to your fingers. Provided it gives good contact between the two surfaces with no gaps/bubbles, it can be as thin as you like. If it squeezes out when you press down the heat sink - then you've done too much. Less is more once you have coverage. 
Otherwise, everything else between is more or less between tolerances.
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So it's like doing bodywork on a car, minus the block sanding. 
I get the concept. I've always used the credit card approach to applying it. It's just after reading some stuff I questioned my technique.
I have had paste harden over time, but it was by the time the system was useless anyway. I'm just triple checking my handiwork since these new Intels are like little furnaces.
To err is human. Fortune favors the monsters.
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This is just one instance of the same ad that's offering 2 lifetime licenses for MS Office Pro 2021 (either Mac or Windows) for just $40, which is a deep discount from the standard $319 per-license price. The offer is presented at several well-known reputable publishing sites such as PC Word, Popular Science, etc. However, payment is by PayPal only and the very low price seems to warrant caution (aka "a fool and his money soon parted").
Microsoft Office Professional 2021 for Windows: Lifetime License[^]
Fact or fiction? What's your opinion?
/ravi
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Take it. MS will certainly claim it's bogus, but so is everything else they do. I've given up on caring about it.
When MS starts sending me money to compensate my time for their worthless software, I'll feel guilty.
Charlie Gilley
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
Has never been more appropriate.
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Namaste, Ravi-ji,
Looks legit to me; appears to be sold by the Popular Science website. If you paid by PayPal, you should have "protection." ... famous last words
cheers, bill
«The mind is not a vessel to be filled but a fire to be kindled» Plutarch
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Meh, they gotcha, Ravi! The real hoax is:
Microsoft Office Professional
In 99.4% of the cases Libre does it for me
"If we don't change direction, we'll end up where we're going"
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PopSci is visible enough I doubt they're selling gray market keys (typically created by stealing a companies volume licensing key); so although ProPlus isn't normally available as a standalone purchase I assume they've got some sort of special deal with MS.
OTOH as cheap as it is, I'm assuming that MS will be much stricter about the single install requirement*; and suspect that like the ProPlus you can get with office 365 the install will cripple itself (read only mode??????) if it can't do a monthly phone home to their licensing server.
- not entirely clear if this is just 1 computer at a time, or only on the first computer you install it on (meaning new PC means buying a new copy).
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, weighing all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
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In my case, you buy the license key, and the software is downloaded and activated from and by Microsoft.
License sale and transfer is legal; some buy in bulk; what do you do with the extra ones? Consign.
I paid by credit card. No issues.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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Thanks all for your feedback. This is looking more and more like a valid offering.
/ravi
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Wordle 521 2/6
⬛⬛⬛⬛🟩
🟩🟩🟩🟩🟩
Once in a while, you just hit lucky! 
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Wordle 521 5/6
⬜⬜🟩🟨⬜
⬜⬜🟩⬜🟩
⬜🟨🟩🟨🟩
🟩🟩🟩⬜🟩
🟩🟩🟩🟩🟩
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Wordle 521 3/6
⬜🟩🟨⬜⬜
⬜🟩🟩⬜🟩
🟩🟩🟩🟩🟩
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Wordle 521 3/6
⬜🟩⬜⬜🟩
🟩🟩⬜⬜🟩
🟩🟩🟩🟩🟩
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Wordle 521 4/6
🟨⬛🟨⬛⬛
🟨⬛⬛⬛⬛
🟩🟨⬛⬛⬛
🟩🟩🟩🟩🟩
I know 4 is average but I used three starters and ended the game in 20 seconds flat - basically a speedrun.
GCS/GE d--(d) s-/+ a C+++ U+++ P-- L+@ E-- W+++ N+ o+ K- w+++ O? M-- V? PS+ PE Y+ PGP t+ 5? X R+++ tv-- b+(+++) DI+++ D++ G e++ h--- r+++ y+++* Weapons extension: ma- k++ F+2 X
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⬜🟩⬜⬜🟩
⬜🟩⬜⬜🟩
⬜🟩⬜⬜🟩
⬜🟩🟩⬜🟩
🟩🟩🟩🟩🟩
Lucky guess
Life should not be a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming “Wow! What a Ride!" - Hunter S Thompson - RIP
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Wordle 521 5/6
🟨⬜🟩⬜⬜
⬜⬜🟩⬜🟩
⬜🟩🟩⬜🟩
⬜🟩🟩⬜🟩
🟩🟩🟩🟩🟩
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Wordle 521 3/6*
⬜⬜🟨⬜⬜
⬜🟩⬜⬜🟩
🟩🟩🟩🟩🟩
Annoying, because I often use that as my second guess (if the letters permit), but just felt like trying something else 
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