Format Mac, restore with time machine?

Discussion in 'macOS' started by jiE, Jan 24, 2011.

  1. jiE macrumors regular

    Sep 1, 2007
    I have been taking backups regularly with Time Machine.
    Now I need to format my Harddrive because the data cannot be allocated to make a new partition for windows 7.

    How do I do it? I just stick in the mac os x install disc, and when its all done, I connect my time machine HDD and restore all my data?

    Currently the Mac (MBP i5) is very slow at start up. More than a minute. Will that change? Or will the restore make the mac slow again??

  2. GoCubsGo macrumors Nehalem


    Feb 19, 2005
    Basically, you just need to do an erase and install of OS X then migrate from your last TM backup.
  3. belvdr macrumors 603

    Aug 15, 2005
    No longer logging into MR
    I originally thought the same thing, but you don't even need to go that far.

    If you have not excluded anything from the TM backups, boot the install DVD, repartition the disk with Disk Utility (with a smaller partition, of course) and then restore directly from TM. There's no need to install OS X as it will be restored from the backup.

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