Zero out data? Doubts about formatting the drive

Discussion in 'Mac Basics and Help' started by diegobgr, Apr 25, 2012.

  1. diegobgr macrumors 6502

    Joined:
    Nov 22, 2009
    #1
    Hi.

    If I format the drive to clean install Lion, which method should I use?

    -Don,t erase data
    -Zero out data

    Is there any important difference between them?
     
  2. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #2
    The difference is, that one takes longer than the other, as one writes your entire HDD full of zeroes and the other doesn't.
    For a clean install Zero Out is not needed, unless you sell or give away the laptop.

    Further explanation can be found here:
    [​IMG]
     
  3. diegobgr thread starter macrumors 6502

    Joined:
    Nov 22, 2009
    #3
    Is there any difference in terms of disk performance when you reinstall the OS?
     
  4. simsaladimbamba

    Joined:
    Nov 28, 2010
    Location:
    located
    #4
    No.
     

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