Note this aims to recover and restore an entire Mac, including all files, all applications, and MacOS / Mac OS X system software, everything that is made from and contained within a Time Machine backup. Nonetheless, it’s good to understand how this process works, so if you ever find yourself in a situation where you have a new hard drive (or even a new Mac), or you just need to perform a complete restore of a previous backup, this tutorial will cover that restoration process of everything with Time Machine. To be perfectly clear, restoring Mac OS X and all of your personal stuff from a previously made Time Machine backup is really only needed in extreme situations, and fortunately this is not something that is frequently required or necessary. Typically this happens when either a hard drive fails or a Mac OS X system update goes completely awry, but if you have set up Time Machine backups on the Mac like all users should, then you will discover that restoring an entire systems hard drive from that Time Machine backup is really quite easy. Even if there’s only one, you must click it to select it.While Macs have a great reputation for being stable and rarely experiencing major issues, the reality is that sometimes things can go wrong. You'll be prompted to select the disk where your backups are. Click Continue and follow the on-screen instructions:į. You’ll see a Restore Your System screen with some information and warnings.
Select Restore From Time Machine Backup (Lion) or Restore System from Backups (Leopard or Snow Leopard). (If you're going to restore a data-only volume, see question #15.) Then quit Disk Utility and continue.Į. See Copying a volume via the Restore Tab for details. If you'e restoring both an OSX volume and copying a second one containing user home folders, select Disk Utility and restore the one with the home folders via the Restore tab.
Quit Disk Utility and you’ll see the Utilities menu again.ĭ. Click the Options button below the box, and select GUID for an Intel Mac, or Apple Partition Map for a PPC Mac, and click the OK button, then Apply. On Lion, you can select an encrypted version of either of those. Give it a name (probably Macintosh HD) under Volume Information, and select Mac OS Extended (Journaled) for the Format unless you're certain you need Mac OS Extended (Case-sensitive, journaled). (If any of your user home folders were on a separate internal HD or partition, be sure the new disk(s) are set up the same way.) If you're restoring to a new disk, or one that may not be formatted properly, select Disk Utility and format the drive: Select the top line (with the make and size), click the Partition tab and select 1 Partition from the the pop-up menu under Volume Scheme, unless you need more than one.
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