10.11.2 and usb disks

Discussion in 'OS X El Capitan (10.11)' started by TopKatz, Dec 11, 2015.

  1. TopKatz macrumors newbie

    Joined:
    Nov 12, 2010
    #1
    Since the 10.11.2 update my late 2012 mini can not mount usb disks. My external HD is seen in disk utility but can not be mounted. I can erase it, but can not partition it or mount it. I can do both in recovery mode. USB sticks dont even show up in disk utility. My ipod shuffle is also not mounting.

    I have no idea what else to try. I have tried SMC, and PRAM resets. Plugging in and unplugging everything. Using hubs and not. Everything was fine before this last update.
     
  2. Partron22 macrumors 68000

    Partron22

    Joined:
    Apr 13, 2011
    Location:
    Yes
    #2
    You've tried connecting your USB devices one at a time?
    Seems to me that one problem device can bring down others as well.
     
  3. TopKatz thread starter macrumors newbie

    Joined:
    Nov 12, 2010
    #3
    Yes I have tried having the only device plugged in being a usb disk. Also, it works fine in recovery mode.
     
  4. TopKatz thread starter macrumors newbie

    Joined:
    Nov 12, 2010
    #4
    To update this it was my NOD32 blocking external disks. I figured it out by watching the console and I saw the log message.
     
  5. Partron22 macrumors 68000

    Partron22

    Joined:
    Apr 13, 2011
    Location:
    Yes
    #5
    The antivirus?
     
  6. TopKatz thread starter macrumors newbie

    Joined:
    Nov 12, 2010
    #6
    Yes exactly. I had enabled that feature by accident.
     

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