formatting my mbp twice.. could this cause a problem?

Discussion in 'Mac Basics and Help' started by Trance, Oct 16, 2011.

  1. Trance macrumors 6502

    Feb 27, 2011
    i got my macbook 2 weeks ago and i formatted last week, i want to format again this week for the final time.. can multipl formatting harm my laptop ?
  2. alust2013 macrumors 601


    Feb 6, 2010
    On the fence
    no, the worst it does is put a little wear on your hard drive.
  3. Trance thread starter macrumors 6502

    Feb 27, 2011
    my format took much longer then normal and had a few failures in the log, is there a way to see if everything went ok?
    i don't notice any problems...
  4. realchimera macrumors regular

    Aug 23, 2011
    you dont need to worry about your hard drive every time you write/delete your files.
  5. Quad5Ny, Oct 16, 2011
    Last edited: Oct 17, 2011

    Quad5Ny macrumors 6502a


    Sep 13, 2009
    New York, USA
    • On a mechanical HDD you can write forever without anything bad happening.
    • On a SSD you would have to write (I beleive) about 30GB a day for 5 years to kill a drive.

    Formatting only writes about 100MB (which less than browsing the web for for 5 min).

    Reinstalling OS X writes about 4-9GB depending on the version (about the size of a HD movie from iTunes).

    EDIT: 30GB a day is for a 80GB SSD. Larger capacities will have higher endurance.

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