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OS X Mountain Lion: If a disk can’t be repaired

If a disk can’t be repaired

If you see a message saying OS X can’t repair a disk, you may need to reformat it or replace it.

  • Back up as much of your data as possible, reformat your disk by partitioning it, and then restore your backed up data.

    Alternatives for backing up your Mac

    Partition a disk

  • If you continue to have problems with your disk, it may be physically damaged, and you may need to replace it.

    Find out how to service or repair your Mac

Last Modified: Aug 8, 2013
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  • Last Modified: Aug 8, 2013
  • Article: PH11244
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