Partition Map Scheme

Discussion in 'Mac OS X Lion (10.7)' started by Coffey7777, Dec 5, 2011.

  1. macrumors newbie

    Sep 13, 2010
    I've been trying to partition Internal HD . Not sure if it should be APM or Guid. Was main HD came with Mac. Running 10.7.2. Quad Core. Run OS off other external. Looking got clone back but having difficulties.
  2. macrumors 6502a


    Aug 29, 2011
    Should be GUID as far as I know ... not sure how far back apple using that as default but it goes a while I think.
  3. thread starter macrumors newbie

    Sep 13, 2010

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