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  1. #1


    Member Since
    Aug 22, 2013
    Posts
    3
    Question Unknown audio usb device
    Hello,

    I have been desperately trying to remove an unknown audio device from my Mac/System Preference. And I need your help. Please! if you know how I can get rid of this Unknown audio device, help me. Thank you in advance.

    I have a 27" iMac 2010 | OS Version 10.8.4. I attach a photo of my System preference to show what exactly happened here:


  2. #2

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
    Posts
    26,541
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    Make sure you have no USB devices attached and then try a SMC reset - link.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  3. #3


    Member Since
    Aug 22, 2013
    Posts
    3
    Thanks
    Thank you for your respond. I did it, but unfortunately it didn't work.

    Quote Originally Posted by bobtomay View Post
    Make sure you have no USB devices attached and then try a SMC reset - link.

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    50,202
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
    Try a PRAM reset as that should clear the memory of it - if in fact you did have a USB device connected before.

  5. #5


    Member Since
    Aug 22, 2013
    Posts
    3
    Thanks
    Thank you for your respond. I did as you said, Unfortunately nothing happened, and the unknown device is still there.

    Quote Originally Posted by chscag View Post
    Try a PRAM reset as that should clear the memory of it - if in fact you did have a USB device connected before.

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