1.8GHz dual-core Intel Core i5 (Turbo Boost up to 2.8GHz) with 3MB shared L3 cache

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Heat Sink screw "plinth"


My macbook : MacBook Air 2012 13" A1466

I'm looking for the english name of the Heat Sink screw "plinth" ? the 4 places around the Intel Platform Controller Hub where i can put the 4 torx screw in order to press the intel controller.

Picture, with red circles :


And where I could buy it ?

There are two different :

- those around the intel controller

- the one on the left of the Core i5 (seems a little bigger)

Thanks for your help :)

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Can you take a picture of your board so we are clear here on what you are looking for.


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2 Answers

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You'r talking about step # 19 of this guide? What are you actually trying to do?

MacBook Air 13" Mid 2012 Heat Sink Replacement

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I got this mba, as no-working.

It boot, but shut down few time after the osx installation process begin.

Sometimes at the begining, sometimes at the end. When I did not use the laptop for a while, I can go until the installations screens (disk utility, disk choice..)

So, there are these 3 missing screws "plinths" around the controller + 1 missing on the left of the processor, I suspect that it turn off because of the bad cooling.

So Im trying to find their name, in order to be able to buy and replace it.

Thanks !


Up :) thanks for your help !


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I think you're asking about what the screw screws into. These are press-fit threaded stand-offs which are part of the logic board.

If someone removed them it won't be easy to locate replacements as well as fit them back in as the boards hole will have been worn and in fact the board could be damaged! The act of pulling them out might have de-laminated the board cutting the copper traces and via's near the hole.

It might be safer to just replace the logic board if that is the case.

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