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How do I reinstall OS X Lion on my MacBook air?
Boot from your Recovery HD partition by restarting your Mac while holding down the cmd+R keys. The OS X Utilities window appears. Select Reinstall OS X, and click Continue. The OS X Mountain Lion splash screen appears.
How do I reinstall OS on my MacBook Pro 2012?
Enter Recovery (either by pressing Command+R on an Intel Mac or by pressing and holding the power button on a M1 Mac) A macOS Utilities window will open, on which you will see the options to Restore From Time Machine Backup, Reinstall macOS [version], Safari (or Get Help Online in older versions) and Disk Utility.
How do I reinstall OS on MacBook Air?
Reinstall macOS
- Install the latest version of macOS compatible with your computer: Press and hold Option-Command-R.
- Reinstall your computer’s original version of macOS (including available updates): Press and hold Shift-Option-Command-R.
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.
Can you install lion on a MacBook Air?
If you have a spare USB flash drive around you can make a copy of the Lion install on your desktop machine and use it to boot your MacBook Air. See the article here. Oh, you can also install on your drive from the flash drive, too.
What’s the best way to reinstall OS X?
Steps Hold down the “Command” and “R” keys while your Mac is booting. Select “Recovery HD” when prompted and click the arrow below it to boot into recovery mode. Select “Reinstall Mac OS X “ from the Mac OS X Utilities dialog followed by the “Continue” button.
How to do internet recovery on Mac OS Lion?
Thank you. Your Mac shipped with Lion. Which means you can do an Internet Recovery startup by turning the Mac on and immediately holding down the *Command+Option+R keys^ . This will boot the Mac to its firmware.