How To Restore A Mac from a Time Machine Backup
You’re backing up your Mac with Time Machine, right? If not you should be. Not only can you restore files that you may have deleted by accident, but if your entire drive fails, you can restore your backup on a brand new machine and it will be as if your hard drive was magically teleported from old to new.
Here’s an article I found over on osxdaily showing you just how to perform a restore from a Time Machine Backup.