Need to erase HD but no OS Install disc

Discussion in 'Mac Basics and Help' started by axisofphilippe, Oct 1, 2008.

  1. axisofphilippe macrumors member


    Aug 16, 2007
    I'm selling my computer and want to wipe the hard drive. I was going to boot it as an external drive by mounting it from my powerbook, and erase the HD using disk utility. Will this also erase the OS? do i NEED the OS Install disk to make this work? THanks.
  2. TwinCities Dan macrumors 603

    TwinCities Dan

    May 19, 2008
    Double Parked out front of the Courthouse
    If you "erase" the HD, yes the OS will be gone...
  3. spinnerlys Guest


    Sep 7, 2008
    forlod bygningen
    You're selling the computer without the installation DVDs?

    You could delete everything you don't want to have seen and then securely empty the trash.

    Finder > Trash > Finder Preferences (Command + ,) > Advanced > Empty Trash Securely.

    Then a "Empty Securely" button appears in the trash window.
    I think the data will be overwritten with ones and zeros.

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