How do I do a clean install of OS X Lion?
Perform a Clean Install of OS X Lion on Your Mac
- Gather the Essentials.
- Prepare the Disk or Partition.
- Perform a Backup.
- Format the Destination Drive.
- Use the Lion Installer.
- Use the Setup Assistant.
- Use the Migration Assistant.
- Complete the Registration.
How do I uninstall and reinstall OS X Lion?
If you would like to securely erase your data, click Security Options…, adjust the slider accordingly, and click OK. When you’re ready, click Erase…, and then Erase again to erase your disk. When the process completes, quit Disk Utility. Click Reinstall Mac OS X, and then click Continue.
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.
Does reinstall macOS erase data?
You can erase your Mac and use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS. WARNING: Erasing your Mac removes all the information from it. Before you start, back up your Mac with Time Machine.
How do I reinstall Mac OS X Lion?
Select “Reinstall Mac OS X “ from the Mac OS X Utilities dialog followed by the “Continue” button. Select the drive or volume you want to reinstall Lion on and follow the onscreen instructions to complete the installation. Note: This option requires an internet connection in order to download the OS from the Apple servers.
Is there a way to do a clean install of Lion?
With the Lion installer, there are two methods of performing a clean install. One method requires you to create a bootable Lion install DVD, and the second lets you perform a clean install using the Lion installer you downloaded from the Mac App Store.
Is the OS X Lion available as a download?
With the release of the OS X Lion operating system for Mac computers, Apple ceased traditional distribution of physical retail discs and instead offered the OS as a download via the Mac App Store.
How big is the installer for OS X Lion?
You receive a content code for the Mac App Store, usually within one day. After you download the installer, copy it to any Mac that meets the minimum hardware requirements and install Lion. The Lion installer downloads to your Applications folder, and it is just under 4 GB in size. The system requirements are: