Early 2011 model, A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor.

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Getting grinding noise from system even after cleaning the fan.

I am getting wired grinding type noise from from system. I even cleaned my fan but still while getting that sound.

I replaced old hhd with the new SSD hhd a few months back. Now i m not sure if the sound is coming from ssd or any other part of the system.

Can you help me in this regard.

Answered! View the answer I have this problem too

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Since the SSD has no moving parts, you can eliminate it.

A. See if you may have a disk in your optical drive.

B. Replace your fan.

Here's how: MacBook Pro 13" Unibody Early 2011 Fan Replacement

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Agreed grinding would likely be motor bearings. no motor in an SSD. that just leaves the optical drive and the fan(s)


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