Resetting Startup Disc

Discussion in 'MacBook Pro' started by Shirley G, Jul 17, 2010.

  1. Shirley G macrumors newbie

    Jul 17, 2010

    I've just used Disc Warrior on my startup disc (booting from DW disc).
    I've ejected the DW disc but am now unable to boot from the internal drive.

    I've tried pressing Option at startup to select startup disc but all I get is a picture of a padlock with a space underneath to enter a command and an arrow next to this on the right.

    It appears to me that System Prefs are locked and I need a command to unlock.

    Can you help?
  2. Shirley G thread starter macrumors newbie

    Jul 17, 2010
    Has anyone else experienced this?

    Surely it can't be that uncommon.

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