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usb bootable osx

  1. seitsme

    bootable usb fresh Mavericks over 10.6 -format Q

    hi there, i have a macbook late 2009, with OSX 10.6.x and after i managed to burn a bootable usb osx mavericks installer, so i can ugrade or do fresh install and allow me to continue with sierra installation... i am stuck in installation because i see no information on the formating-install...