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Click the volume that you wish to install to. The Select the disk where you want to install macOS / OS X window appears.

If you agree with the license agreement, click Agree. After reading or printing the information, click Agree.

The Software License Agreement window appears.

The Install macOS / OS X window appears.

Select "Reinstall macOS / OS X" and click Continue.

The macOS / OS X Utilities window appears.

Start up from the Recovery HD (see above).

NOTE: OS X 10.7 or later basically does an Archive and Install as the default installation method (but it no longer creates a "Previous System" folder). Instructions for the Archive and Install method (OS X 10.7 or later) - using the macOS / OS X "Recovery HD" NOTE: Make sure you have enough free space on your hard disk before proceeding.

Get Help Online (wired or wireless internet connection required)Īlso available from the Utilities menu are:.

From macOS / OS X Utilities you can directly select: If you need to access a wireless network connection click on the wireless icon in the top right hand corner and select the network you want to join. Once you are booted into Recovery Mode the macOS / OS X Utilities window appears.

or hold down the Option key and choose "Recovery HD" from the Startup Manager.

or hold down the Command + Option + Shift + R keys (Reinstall the macOS / OS X that came with your Mac, or the version closest to it that is still available - requires mac OS 10.12.4 or later).

or hold down the Command + Option + R keys (Upgrade to the latest macOS / OS X that is compatible with your Mac).

hold down the Command + R keys (Reinstall the latest macOS / OS X that was installed on your Mac, without upgrading to a later version).

hold down the power button - Apple Silicon Macs only.

If you have a Time Machine backup disk and are using OS X 10.7.2 or later your Time Machine disk may also contain a Recovery HD.

Download Apple's Lion Recovery Disk Assistant and create an emergency external USB Apple Recovery Disk with a Recovery HD.

If your Mac came with supplied with OS X 10.7 or later the primary boot disk should already contain a Recovery HD.

There are other possible locations for a Recovery HD:

If for some reason the Recovery HD is not available and your computer came supplied with OS X 10.7 or later it may be able to automatically boot into Internet Recovery Mode. The Recovery HD allows you to boot the computer in Recovery Mode. When you install OS X 10.7 or later it automatically installs an invisible "Recovery HD" on the volume you installed the OS to. How to use the macOS / OS X Recovery Modes in OS X 10.7 Lion or later Using the macOS / OS X Recovery Modes (OS X 10.7 or later) Using the macOS Recovery Modes (10.7 or later) Article ID = 45Īrticle Title = Using the macOS Recovery Modes (10.7 or later)Īrticle Last Updated = 12th November 2020