Why is my computer making a high-pitched noise?

It sounds like a plane taking off. It is not the case...

Reset SMC.     http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
Runawy applications can shorten battery runtime,affect performances and
increase heat and fan activity
Activity monitor
http://support.apple.com/kb/TS1473
If these tips do not help, contact Apple.
Best.

Similar Messages

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    Whereas I am not sure if this is normal, I figured I'd add that I see a similar problem happening on my power adapter.
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    I guess these things are notorious for their internal power supply failing. My time capsule started making a high pitch noise yesterday. Is this a sign of the power supply failing? Any idea of how much it would cost to repair? I have no applecare.

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    Message was edited by: Bob Timmons

  • Time Capsule Makes a High PItched Noise.

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    Same thing happened to me just now. Sounded like air escaping from balloon through a small hole.
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  • When I access Wealth Engine X My computer makes a high pitch whining sound. Why ?

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    Sounds like the drive although I suppose it could be fans if something is wrong with them. when my fans go into high performance mode they do not make this kind of noise. Are you also noticing more vibration when this occurs to the left of the trackpad where the hard drive is? About the only thing you can do is take it into the Apple store and have them look at it.

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    Today my MacBook started making a high-pitched whine. It's like a high musical note and comes and goes. I closed as many programs as I could. Still working in Chrome (and that's what I have been on when it makes noise). It almost reminds me of a fanbelt issue.... but that's impossible, right?

    Yeah, if you go to Programs > Utilities > Audio MIDI Setup
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  • Speakers Making High Pitched Noises!

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    Hello, magoo657. 
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    MikeFar,
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  • X-fi Extreme Music - Mouse making high pitched noise when moved

    ? Whenever I move my mouse my headphones make a very high pitched noise. I moved my mouse to all usb ports and it still happens, cant change my IRQ in bios and vista has them all locked out from being changed. I also have my X-fi as far away as possible from my video card. I have no idea whats doing this but i need some help.
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    I've never had pictures of the mod, as it is it wouldn't show up vey well in a photograph, not to mention that every front panel board is different from one manufacturer to another. Mine came with my Gigabyte Aurora case, but Gigabyte probably didn't manufacture the circuit board itself.
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  • Microphone and stereo are making high pitched noise

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    View Solution.

    i have had this problem and while i really do not know what causes the problem(with me anyway),i found that turning the mic boost off cures the problem,just right click on your speaker icon,select recording devices,double click the microphone,select levels tab and turn off the boost,i apologize if this has already been done!

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