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  1. #1


    Member Since
    Apr 26, 2009
    Posts
    6
    Speakers aren't working
    Hi Guys'
    I'm new to this forum and I'd appreciate some help.

    I'm using a MacBook Pro on OX 10.4.11 and recently my external speakers just stopped working.

    Tried all the usual stuffreferences, System Profiler , checked mute etc. no joy. Bought a brand new set of Bose speakers (well someone has to do it).

    Mac just won't see them.

    Any suggestion woul be truly appreciated.

    Mike

  2. #2


    Member Since
    Jul 14, 2008
    Location
    Scotland, UK
    Posts
    675
    Specs:
    nMP 6-core/32Gb/D700/512Gb: rMBP 15" 2.3GHz/16Gb/512Gb: iPhone 6 128Gb: iPad Air 2 128Gb: NEC PA322U
    Have you tried plugging them in to another source to confirm the speakers are working properly?

    Also, do the speakers have a two-inputs and a 'source selection' button? If they do, could you have possibly accidentally pressed this and now it is set to the other input.

  3. #3


    Member Since
    Apr 26, 2009
    Posts
    6
    Thanks for your reply.

    No speakers are OK and they do not have a source selection button.

    I'm starting to wonder if it is a software problem.

    Maybe a system update was buggy, because they were working until recently.

    M

  4. #4

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    29,052
    Specs:
    iMac 2010 27" QuadI7 OS10.12, iMac 2008 OSX10.11, MBP Late2011OS10.12 , iPad Air, iPhone 3GS
    One thing we have seen many times is the output jack get stuck in Optical Digital mode. With the speaker plug out of the jack, look down the jack's hole. Do you by any chance see a red light in the hole?

  5. #5

    Lifeisabeach's Avatar
    Member Since
    Sep 30, 2007
    Location
    The Republic of Neptune
    Posts
    7,760
    Try this menubar item called SoundSource. It will let you change your output source among the various available ones. Make sure your Output is set to Line Out (assuming you are using the Line Out jack).

    Please verify and include the exact model/year of your Mac and OS X version number (available from "About This Mac", then "More Info" on the Apple menu).
    ------
    Links: Onyx | EasyFind | Apple Hardware Test | How to test your hard drive | The Safe Mac Adware Removal Guide | Uninstall MacKeeper
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    Lifeisabeach - Mac-Forums Member of the Month June 2009, Feb 2012, and March 2013.

  6. #6


    Member Since
    Apr 26, 2009
    Posts
    6
    Thanks both of you but...

    No red light, SoundSource tells me "output not supported" most options greyed out.

    wtf?

  7. #7


    Member Since
    Dec 29, 2007
    Posts
    179
    is it plugged into the correct port? make sure its plugged into the output and not the input.

  8. #8

    Lifeisabeach's Avatar
    Member Since
    Sep 30, 2007
    Location
    The Republic of Neptune
    Posts
    7,760
    Quote Originally Posted by mikebp View Post
    Thanks both of you but...

    No red light, SoundSource tells me "output not supported" most options greyed out.

    wtf?
    Hmmm... that seems to suggest you have broken hardware or perhaps a driver corrupted or not loaded. To be sure... create a new user and log into that user. Do not install or import anything. If you continue to fail to hear anything, then you probably have a hardware issue. You may want to try running the Hardware Test, located on one of your factory CDs, and see what it has to say.
    MacBook and MacBook Pro: Using Apple Hardware Test

    Please verify and include the exact model/year of your Mac and OS X version number (available from "About This Mac", then "More Info" on the Apple menu).
    ------
    Links: Onyx | EasyFind | Apple Hardware Test | How to test your hard drive | The Safe Mac Adware Removal Guide | Uninstall MacKeeper
    ------
    Lifeisabeach - Mac-Forums Member of the Month June 2009, Feb 2012, and March 2013.

  9. #9


    Member Since
    Apr 26, 2009
    Posts
    6
    Thanks life

    No joy, new user makes no difference (can't find my factory CDs of course)

    Unless anyone can think of anything else I have to take the Mac in

    M

  10. #10


    Member Since
    Apr 26, 2009
    Posts
    6
    Thanks grey,

    Speakers are plugged into output.

  11. #11


    Member Since
    Apr 26, 2009
    Posts
    6
    Eureka!

    Grey was right...Doh!.....I'm a tosser, been using Macs for 18 years, still cock it up.

    Thanks guys

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