Mac Re-install the OS: Difference between revisions
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The computer must be connected to the Internet (wire or wireless): Utilities -> Network Utility. | The computer must be connected to the Internet (wire or wireless): Utilities -> Network Utility. | ||
Command + R while restarting. | |||
=Re-install without Data Deletion= | =Re-install without Data Deletion= | ||
Revision as of 02:15, 19 November 2017
External
Internal
Re-install with Data Deletion
Control + R while restarting -> OS X Utilities
First delete the partition from Disk Utilities, then "Reinstall OS X". Reinstalling without explicit deletion will upgrade and preserve the data.
The computer must be connected to the Internet (wire or wireless): Utilities -> Network Utility.
Command + R while restarting.