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  1. #1
    Question MacBook Pro with hissing sound
    I have a MacBook Pro and periodically I hear a hissing/static sound coming from the speakers. My research to date indicated it could be a hard drive failure. I took my laptop to an Apple service center and paid for a diagnostic test. after 1 week they returned the laptop and stated they could not find any issues. Should I be concerned that they missed something and i will be experiencing a HD failure? Any thoughts would be appreciated. I utilize time machine the back up my files. Is this enough to insure I will not suffer a total loss?

  2. #2
    MacBook Pro with hissing sound
    ferrarr's Avatar
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    What is the model year of your MBP, and what is the screen size?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  3. #3
    MacBook Pro with hissing sound
    lclev's Avatar
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    More information needed! But if it is a newer MacBook Pro it will have an SSD and they don’t make any sound. Hissing could be a speaker sound issue.


    Lisa
    Recommend using Onyx to clean your Mac.
    If you have been helped, please add to their reputation by clicking on the icon in the lower left hand corner of the post.

  4. #4
    MacBook Pro with hissing sound
    MacInWin's Avatar
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    Jan 01, 2009
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    MBP 15" Mid 2015, iPhone 11 Pro, an iMac, plus ATVs, AWatch, MacMini
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    Could it be the fans instead? Normally they are pretty quiet, but can pick up if the CPU gets busy and the temp goes up. Do you hear it if you use headphones/earbuds?
    Jake

  5. #5
    MacBook Pro with hissing sound
    chscag's Avatar
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    The model and year MacBook Pro you're referring to would be helpful.

    The latest model 16" MacBook Pros from Apple have been known to have what is commonly called "Coil Whine". Coil Whine is supposedly caused by the higher CPU bus speeds and newer type PCIE SSDs used by Apple. Folks that have complained of this "Coil Whine" state that it's a hissing sound. I have listened to some examples of it from several tech sites and it can be real annoying for some folks with sensitive hearing.

    Apparently is does not occur with all 16" MacBook Pros. One fellow exchanged his new 16" MBP with Apple several times before he got one that wasn't as "hissy".

  6. #6
    MacBook Pro with hissing sound
    pigoo3's Avatar
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    May 20, 2008
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    Quote Originally Posted by mjstein0753 View Post
    I have a MacBook Pro and periodically I hear a hissing/static sound coming from the speakers. My research to date indicated it could be a hard drive failure.
    Better double check that research:

    - If it's an older MacBook Pro with a "spinner" HD...the hard drive is not near the speakers. Spinner HD is located to the side of of the trackpad...about as far from the speakers as you can get.
    - If it's a newer MacBook Pro with an internal SSD...as already mentioned...SSD's have no moving parts & usually don't emit any sound.

    * Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  7. #7
    MacBook Pro with hissing sound
    pm-r's Avatar
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    Should I be concerned that they missed something and i will be experiencing a HD failure? Any thoughts would be appreciated. I utilize time machine the back up my files. Is this enough to insure I will not suffer a total loss?

    They nor any other techs can not guarantee that Mac won't suffer from some failure in the future, and they didn't seem to think there was anything seriously wrong at this point,.

    As for backup, I would seriously suggest you keep at least TWO recent Bootable Clones as well as your Time Machine backup using something like Carbon Copy Cloner (CCC) or SuperDuper (SD) applications if your data is valuable and worth keeping.

    As they say about a computer and hard drives, it's not a question of IF they are going to fail but WHEN!!!



    - Patrick
    ======

  8. #8
    Quote Originally Posted by ferrarr View Post
    What is the model year of your MBP, and what is the screen size?
    Macbook Pro (Retina Mid 2012)
    15.4" display 2880x1800

  9. #9
    Macbook Pro (Retina Mid 2012)
    15.4" display 2880x1800

    - - - Updated - - -

    Do not use headphones or earbuds with this laptop.

  10. #10
    Where can I get either of the cloning Apps? Is one better than the other?

  11. #11
    MacBook Pro with hissing sound
    pigoo3's Avatar
    Member Since
    May 20, 2008
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    2011 17" MBP 2.2ghz, 16gig ram, OS 10.11.6
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    Quote Originally Posted by mjstein0753 View Post
    Where can I get either of the cloning Apps? Is one better than the other?
    Carbon Copy Cloner has a free 30-day trial...then you must purchase. SuperDuper is free forever & the free version has most of the features you will need. Purchasing SuperDuper unlocks some additional features.

    Mac Backup Software | Carbon Copy Cloner | Bombich Software

    SuperDuper!

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  12. #12
    MacBook Pro with hissing sound
    pm-r's Avatar
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    Quote Originally Posted by mjstein0753 View Post
    Where can I get either of the cloning Apps? Is one better than the other?

    Nick kindly provided the source above, but just in case you were thinking about it, please do not restrict yourself to using a single Backup Drive when using the cloning applications.



    - Patrick
    ======

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