How do I do a clean install of OS X Lion?

How do I do a clean install of OS X Lion?

Explaining the Mac OS X Lion Clean Install

  1. Download OS X Lion from the Mac App Store and make a bootable OS X Lion installer from a USB drive.
  2. Boot from the aforementioned Lion installer by holding “Option” at boot and selecting the external boot installer drive.
  3. Choose “Disk Utility” from the Mac OS X Utilities screen.

How do I wipe my Mac and reinstall OS X?

Erase and reinstall macOS

  1. Start up your computer in macOS Recovery:
  2. In the Recovery app window, select Disk Utility, then click Continue.
  3. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.

How do I reinstall Mac OS X Lion without disk?

Reinstall Your Mac’s OS Without an Installation Disc

  1. Turn your Mac on, while holding the CMD + R keys down.
  2. Select “Disk Utility” and click on Continue.
  3. Select the startup disk and go to the Erase Tab.
  4. Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase.
  5. Disk Utility > Quit Disk Utility.

How do I factory reset my Mac OS X Lion?

Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.

How do you restore Internet on a Mac?

Here is how to use MacOS Internet Recovery:

  1. Shut down your Mac.
  2. Hold down Command-Option/Alt-R and press the Power button.
  3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
  4. The message will be replaced with a progress bar.
  5. Wait for the MacOS Utilities screen to appear.

How do you do a fresh install of OSX?

Hold down Command and R (⌘ + R) at the same time. When you hear the startup chime (or when the screen goes black on newer Macs), keep holding the keys until your computer reboots. Click on Reinstall a new copy of macOS.

How do you restore a Mac to factory settings?

To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it!

How do I restore my Mac to factory settings without a disk?

How to Set a MacBook to Factory Reset Without Disks

  1. Restart your computer and hold down “Command-R” as your Mac boots up.
  2. Click on “Disk Utility” and select your computer’s hard drive from the sidebar.
  3. Select the “Erase” tab and click on Erase” to remove all of your personal data from the computer.

What does Internet Recovery do on a Mac?

An internet recovery will restore your machine to factory settings and your data will be lost. Luckily for Mac users, your hard disk holds this recovery option hidden deep in its components. You can also use the Utility menu to boot up, reinstall an OS, perform a check of connected disks, and more.

How do I install OSX on new hard drive from USB?

Insert the flash drive in a USB port on your Mac. Start the Mac and hold down the option key. Select to boot from the flash drive. Use the Disk Utility application to create a single partition to install El Capitan (OS X 10.11).

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