USB flash drives not showing up in Disk Utility

Discussion in 'Mac Accessories' started by Jeff Hall, Dec 4, 2013.

  1. Jeff Hall macrumors regular

    Jeff Hall

    Joined:
    Apr 10, 2006
    #1
    My 2013 iMac w/Mavericks refuses to see any USB flash drive I attach. These drives are all mounted just fine on my MacBook running Lion.

    I have an external DVD drive that DOES mount on my iMac. What the heck? This is making it extremely difficulty to install Windows 8!!!! Argh!

    Little help?

    Thanks!
     
  2. Jeff Hall thread starter macrumors regular

    Jeff Hall

    Joined:
    Apr 10, 2006
    #2
    Fixed it! CyberSecurity for Mac was blocking attached media devices.
     
  3. McGiord macrumors 601

    McGiord

    Joined:
    Oct 5, 2003
    Location:
    Dark Castle
    #3
    How are those flash drives formatted?

    Good to read that you got it solved.
     

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