Start up and boot from USB

Discussion in 'MacBook Pro' started by Komeda, Jan 24, 2013.

  1. Komeda macrumors newbie

    Jan 24, 2013
    I have problem trying to start up snow leopard from usb. When opt is pressed down the start unit "usb" won´t come up only my osx and win boot alternative.

    Is this usb (attached pic) correctly formatted?

    Is´s problem because i also run bootcamp?

    / K

    Attached Files:

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