will sell my iMac how to securely ( format ) it

Discussion in 'macOS' started by chameleon81, Sep 9, 2008.

  1. chameleon81 macrumors 6502

    May 16, 2006

    I will sell my iMac. Before I send the stuff to the buyer I' ll make clean install .

    I had two partitions. ( Mac - Win ) I combined Win partition to Mac.

    Now, I want to install Leopard from the start.

    I went to disk utility but earese option was grey from the HDD ( since the operating system is installed in it )

    Is there any option like secure install or secure format before the installation?
  2. TEG macrumors 604


    Jan 21, 2002
    Langley, Washington
    Boot off the OS X (Leopard) DVD and open Disk Utility, then under Erase options choose, as a minimum, Write Zeros. You can do 7 pass or 35 pass format, but it just takes extra time, but the Zeros do most of what you want.

  3. chameleon81 thread starter macrumors 6502

    May 16, 2006

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