Can you still reinstall macOS X Lion?
Reinstalling while keeping files, applications, and settings Restart your computer, and immediately hold down command-r until the gray Apple logo appears. If prompted, select your main language and then click the arrow. Click Reinstall OS X, and then Continue.
How do I reinstall OS X and restore from Time Machine?
How to restore your Mac from a backup
- Start up your Mac and immediately hold down Command + R.
- Continue holding both keys until you see the Apple logo or a spinning globe.
- When you see the Utilities window choose Restore from Time Machine Backup and click on Continue.
- Click Continue again.
How can I restore my Mac from a Time Machine backup?
Use Migration Assistant to transfer files from your Time Machine backup to your Mac. If you made a Time Machine backup of your Mac, Migration Assistant can use that backup to restore your personal files, including apps and everything in your user account.
When do I need to reinstall Mac OS?
If you need to reinstall macOS, do that before continuing. For example, if your Mac starts up to a flashing question mark, you need to first reinstall macOS. Make sure that your Time Machine backup disk is connected to your Mac and turned on.
Can You restore files from a backup on a Mac?
If you used Time Machine to create a backup of your Mac, you can restore your files from that backup. You might want to do so after the original files are deleted from your Mac, or the hard disk (or SSD) in your Mac is erased or replaced, such as during a repair.
How do you transfer information from a Mac to a time machine?
If your Mac starts up to a setup assistant, which asks for details like your country and network, continue to the next step, because the setup assistant includes a migration assistant. When asked how you want to transfer your information, select the option to transfer from a Mac, Time Machine backup, or startup disk.