[Gllug] CPU heatsink question.

[Christian Smith]

On Tue, 15 Jan 2002, Jackson, Harry wrote:

>> -----Original Message-----
>> From: John Hearns [mailto:john.hearns at framestore-cfc.com]
>>
>> A bit unrelated, but there was a thread on the Scottish LUG on
>> the use of WD40.
>> Someone said that he had a noisy case cooling fan,
>> and was advised to try a squirt of WD40. Someone else came
>> back and said that WD40 had ruined his motherboard.
>> Reason given was that it is conductive - I'm not sure.
>> Do you know, Harry?
>>
>> By the way, I think the real fix is to use a small drop of
>> light mineral
>> oil, NOT WD40.
>
>I do not think that it is conductive. I was taught the following, use it
>for, displacing moisture, remove grease and penetrate rust or loosen bolts
>etc in Northern speak. It also leaves a coating over the surface to preserve
>the item but this is not good for electrical contacts as they no longer make
>a decent short. I imagine what happened is that the stuff either removed
>what grease he had left in his fan or is coating some of the electrical
>connectors on his board. I am pretty sure that it is not conductive or we
>would not be spraying it all around a running car engine.

I thought WD40 was full of graphite, which is a reasonable conductor.

>
>Harry
>
>
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