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Model A1286. Released February 2011 / 2.0, 2.2, or 2.3 GHz Quad-core Intel Core i7 Processor

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Fan noise on startup for at least 5 minutes

Every day when I'm starting working on my laptop, fan (I think it's left fan) is noising for at least 5 minutes. After that it's working quietly.

I've recorded the noise, you can listen it here https://soundcloud.com/pavlentij/macbook...

Should I replace the fan or it can be fixed with oil? If it's not fixable then how I can discover which one fan is noising?

Thanks.

Answered! View the answer I have this problem too

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I would not put oil on a fan. The fans can be replaced (study the guide and comments before doing so).

A fan app will tell you which fan is running at high speed.

Perhaps all you need to do is clean off some dust. I would (try that first). After you've cleaned the inside you do not have to completely reassemble the machine to test it and see if the problem was solved...

If this answer is acceptable please remember to return and mark it.

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