How to Boot Up From Disc? (Pressing C while starting up doesn't work)

Discussion in 'Mac Basics and Help' started by xtine911, Jan 13, 2011.

  1. xtine911 macrumors newbie

    Joined:
    Sep 14, 2010
    #1
    I was trying to boot up from my Snow Leopard disc last night to run Disk Utility (to repair my hard drive). I pressed C while starting up but it took me right to my login screen. I did this several times, no luck. I'm using a 15" MBP btw.

    I also tried the same thing on my sister's MacBook (using her own install disc) -- same thing, straight to login screen.

    I know pressing C used to work before because the MacBook used to belong to me and I did an erase & install before passing it down to my sister.

    Is there anything I'm doing wrong?
     
  2. Damo01 macrumors regular

    Joined:
    Feb 11, 2010
    Location:
    Australia
    #2
    hold down the alt key instead next time you reboot and select installation disk.
     
  3. xtine911 thread starter macrumors newbie

    Joined:
    Sep 14, 2010
    #3
    Tried that too (both with the MacBook and the MBP) and I got a picture of a lock. I couldn't do anything except hit the power button to restart again.

    Could that mean there's something wrong with both hard disks? Ran a disk check on Disk Utility and it says that my hard drive "appears to be ok." (for the MBP)
     
  4. balamw Moderator

    balamw

    Staff Member

    Joined:
    Aug 16, 2005
    Location:
    New England
    #4
  5. xtine911 thread starter macrumors newbie

    Joined:
    Sep 14, 2010
    #5
    That's it! :D

    I set this up a few months ago and forgot all about it.

    Thank you so much!
     

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