This function aims at recovering the Mac from an external storage or Time Capsule that saves a Time Machine backup of your Mac. Depending on the key combination you used while launching the Mac, the Reinstall MacOS function will install different versions of MacOS. Mac recovery mode optionsÄownload and reinstall an operating system of Mac. If your Mac cannot be recovered in any other way, you can start up from Mac Recovery Mode and use its utilities to repair disk problem, restore from Time Machine, reinstall MacOS as well as getting help online on the Mac.
From this special disk partition, Recovery Mode can load OS X's built-in recovery tools. There is a special partition that saves a recovery image together with a copy of the OS X installer. Recovery Mode on Mac is a special kind of patterns.
#How to restore mac os x to previous date how to#
In this tutorial, you will learn how to enter Mac recovery mode at startup, and make full use of the built-in recovery functions to reach your Mac at a perfect working condition. Once your Mac enters the recovery mode, it can easily restore OS X without any disk installed. This emergency repair system is named as OS X Recovery Mode. Luckily, to avoid above condition, MacOS is equipped with an emergency repair system, which applies to Mac with OS X 10.7 or later. But it doesn't mean that your Mac will never get into trouble and you have to reinstall the whole system. As we all know, Apple Mac computer is a reliable and user-friendly device.