Normally the Book will try to access the optical drive first. (whirring noise), Then it goes to the hard drive (sometimes a clicking sound). A squeeking noise can be made by capacitors going bad. Fans can make a screeching or chirping noise if going out. It all depends on the type of noise, and the location. Is this a new noise? Remove the battery and start up with just the AC adapter connected to eliminate it first. As rj asked, a better description is needed to help you.
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Can you describe the noise better? Ralph
от rj713
I got it too. It repeats several times until it starts loading.
от 40coolguy60
i am facing the same problem with my Mac book pro which is two years old. Please let me know what to do . only difference is that the noise rare and it happens while opening the mac book.
от annapurna
I have the same problem please help me out how do i fix it now....
от Smick
@mailes - Smick you'll need to give us more than this. You should also create your own question as this one is quite old.
от Dan