2.3GHz, 2.6GHz, or 2.7GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.7GHz) with 6MB shared L3 cache.

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retina fan noisy problem

My macbook retina 2012 has the fan noise problem.

https://goo.gl/d2wdjt

The link is the fan sound.

After I cleaned the dust, the problem still work.

Could anyone give me a step by step guide to fix it?

Answered! View the answer I have this problem too

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Well, that's a new sound for me but it does sound like a fan or something obstructing the fan. Think of a playing card in the spokes of a bicycle. Next determine if it is the right or left fan then replace it or remove the fan, find the offending playing card (probably a screw) and get it out. The Relevant Parts are listed in links at the start of the guides.

Here are the guides:

Right Fan: MacBook Pro 15" Retina Display Mid 2012 Right Fan Replacement

Left Fan: MacBook Pro 15" Retina Display Mid 2012 Left Fan Replacement

P.S. If it is a screw look for where it's supposed to go in and put it back in place.

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