Yosemite DP8 - No Sound Devices?

Discussion in 'OS X Yosemite (10.10)' started by Bammeh, Sep 24, 2014.

  1. Bammeh macrumors member

    Joined:
    Nov 19, 2010
    #1
    In Yosemite Developer PReview 8, I have no Audio Devices listed in Audio & Midi Setup. I also have No listed devices in System Prefs>Sound>output OR Input.

    Plugging in headphones does not help. This is a MacBookPro6,1.

    Anyone else have a problem similar?
     
  2. osxmacfan macrumors newbie

    Joined:
    Sep 23, 2014
    Location:
    nyc
    #2
    macbook pro 5,1 late 2009 DP 8 report

    this box was installed to DP 7 last nite
    and upgraded via app store to DP 8
    this morning.

    sys pref sound shows
    output:
    internal spkrs

    input:
    internal mic
    line in

    upgraded from maverick 10.9.5
     
  3. Bammeh, Sep 24, 2014
    Last edited: Sep 24, 2014

    Bammeh thread starter macrumors member

    Joined:
    Nov 19, 2010
    #3
    Further Digging made me realize I am MISSING "AppleHDA.ktext" in my System/Library/Extensions folder.

    Is there any way to get another AppleHDA.ktext?
     
  4. jmj8778 macrumors newbie

    Joined:
    Sep 11, 2014
    #4
    Exact same problem
     
  5. benthewraith macrumors 68040

    benthewraith

    Joined:
    May 27, 2006
    Location:
    Miami, FL

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