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Thread: External speakers not working

  1. #1

    Member Since
    Apr 27, 2010
    SF East Bay
    External speakers not working
    Hi, gang!

    I had to wipe my startup disk, forcing me to reinstall all my apps, preferences, external devices, etc. Not fun.

    Now, my Mac Pro isn't seeing my several-years-old Altec Lansing 4100 multimedia speakers, which were working perfectly fine before (for music, etc.). Altec Lansing says no drivers needed.

    So what's the problem? Under System Preferences > Sounds, it should see the device, right? But it's not.


  2. #2

    hughvane's Avatar
    Member Since
    May 18, 2008
    Amberley, Canterbury, New Zealand
    Which OS version are you using? In Tiger (from memory), external speakers should show up as connected to the Output > Headphone. That has to be selected.

    How are the speakers connected? Via an external amplifier, or are you relying on the Pro to power the audio output?
    Please post your Mac (or other) specs and MacOS version in your post, your profile or your signature. It helps us to help you better.

    I'm leaving now to go and find myself. If I should return before I get back, please ask me to wait.

  3. #3

    Member Since
    Apr 27, 2010
    SF East Bay
    Prob fixed
    Good questions all, but I'm happy to report that the external speakers started working again on their own, 4 days after they went dead with the disc wipe. What changes did I make? Nothing at all. Odd.

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