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1. #Mac restart in recovery mode how to
2. #Mac restart in recovery mode mac os x
3. #Mac restart in recovery mode mac

In other words, it is a recovery system that can be loaded up without starting up Mac operating system, helping you fix or deal with system-related issues on your Mac, like the Mac white screen problem. MacOS Recovery is a special mode that starts your Mac from a built-in Recovery HD partition (or called macOS Base System) with a built-in program called Recovery Assistant.

#Mac restart in recovery mode how to

This post will tell you how to start Mac into Recovery mode and use it to troubleshoot Mac issues. You can use it to reinstall Mac OS, perform disk checking and repair with Disk Utility, factory reset your Mac, restore your Mac with Time Machine backup or so.Įspecially when your MacBook won't turn on normally or crashes frequently, macOS Recovery gives you a chance to do some fixes rather than directly taking your computer to service. Select a tool and click Continue to perform the desired function.Mac Recovery Mode is a very useful tool designed to recover your Mac.

#Mac restart in recovery mode mac os x

Once you have done this you will be taken to the Mac OS X Utilities screen shown below.

There are two ways to access the Recovery HD: You must have internet access to use this function.ĭisk Utility: This option will open your Disk Utility, and will allow you to check, repair, erase, or partition your hard drives. Get Help Online: This option will direct you to the Apple Support website. IMPORTANT: Reinstalling the OS will erase all data on your hard drive.Due to the size of the operating system this process can take several hours. However, to fully reinstall Lion you must be connected to the internet because the operating system files and data have to be downloaded. Reinstall Mac OS X: This option will start the Lion installer.Note: In order to use this function you must have a complete backup, including system files, saved on your Time Machine.Restore From Time Machine Backup: This option will allow you to restore your entire system, including the operating system, all accounts, user data, and settings, from a Time Machine Backup.The Recovery Partition provides the following options: DoIT assumes no liability for data loss that occurs as a result of this procedure. Please contact the manufacturer or system developer for help.ĬAUTION: Please make sure your important data is backed-up on an external storage device (such as a CD, DVD, or external hard drive) before attempting this procedure. These instructions are provided for self help purposes only. NOTE: These procedures are not supported by the Help Desk. Recovery Partition - OS X 10.7 and Higher Generally, since the directory check occurs during the gray startup screen, you can reboot immediately after logging in. To return to a normal boot, simply restart the computer without holding any keys. While a Safe Boot can be helpful for troubleshooting, many services will be unavailable - specifically audio and network devices. In Mac OS 10.4 or later, you will have to login to your account, even if it normally does so automatically.Note: Startup will likely take substantially longer than normal.Once the gray Apple and progress indicator appear, release the Shift key.

Immediately after the startup chime, press and hold the Shift key.10.4 or later: Disables all startup and login itemsĪ Safe Boot can potentially repair problems that prevent Mac OS X from starting properly.10.3.9 or earlier: Disables all non-Apple startup items.