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macOS Recovery is the built-in recovery system on your Mac. On a Mac with Apple silicon, you can use macOS Recovery to repair your internal storage, reinstall macOS, restore your files from a Time Machine backup, set the security policy for different volumes, transfer files between two Mac computers, start up in safe mode, and more. On an Intel ...
- Use macOS Recovery on a Mac With Apple Silicon
Note: If you want to get your Mac ready to trade in, sell,...
- Use macOS Recovery on an Intel-based Mac
Note: If you want to get your Mac ready to trade in, sell,...
- Use macOS Recovery on a Mac With Apple Silicon
Mac OS X succeeded classic Mac OS, the primary Macintosh operating system from 1984 to 2001. Its underlying architecture came from NeXT 's NeXTSTEP, as a result of Apple's acquisition of NeXT, which also brought Steve Jobs back to Apple. The first desktop version, Mac OS X 10.0, was released on March 24, 2001.
- March 24, 2001; 22 years ago
- Apple Inc.
- 14.0 (23A344) (September 26, 2023; 19 days ago) [±]
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Nov 1, 2023 · Pro. Mac Data Recovery software - Here are all the 20 paid and free tools, trials and services I found. Features. By Stefan Ionescu. last updated 1 November 2023. Data recovery for your...
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iOS (formerly iPhone OS) [6] is a mobile operating system developed by Apple Inc. exclusively for its smartphones. It was unveiled in January 2007 for the first-generation iPhone, [7] launched in June 2007. It is the operating system that powers many of the company's mobile devices, including the iPhone.
- June 29, 2007; 16 years ago
- Apple Inc.
- 17.0.3 (October 4, 2023; 1 day ago) [±]
- Overview
- Apps available in macOS Recovery on an Intel-based Mac
- Start up your Intel-based Mac in macOS Recovery
- Connect to the internet using Wi-Fi
- Repair your internal storage device
- Use Time Machine to restore your files
- Use Startup Security Utility to set a firmware password
- Use Startup Security Utility to set secure boot options
- Reinstall macOS
- Erase and reinstall macOS
macOS Recovery is the built-in recovery system on your Mac.
You can use the apps in macOS Recovery on an Intel-based Mac to repair your internal storage device, reinstall macOS, restore your files from a Time Machine backup, set security options and more.
Reinstalling macOS requires an internet connection. To connect to the internet, you can use a wireless or wired network connection. If you’re trying to connect to Wi-Fi through a captive portal (for example, at a coffee shop, library or hotel) or an enterprise network, you might not be able to access the internet in macOS Recovery. See Connect to the internet using Wi-Fi.
Note: If you want to get your Mac ready to trade in, sell or give away, and your computer is an Intel-based Mac with an Apple T2 Security Chip, use Erase Assistant in macOS. To use Erase Assistant, start up your computer in macOS, choose Apple menu > System Settings, click General in the sidebar (you may need to scroll down), click “Transfer or Reset” on the right, click the Erase All Content and Settings button, then follow the onscreen instructions.
The following apps are available in macOS Recovery on an Intel-based Mac:
•Recovery: The Recovery app opens when your computer starts up in macOS Recovery. See Start up your Intel-based Mac in macOS Recovery and Quit macOS Recovery.
•Time Machine System Restore: Restore your data from a Time Machine backup. In the Recovery app, select Restore from Time Machine, then click Continue. To return to the Recovery app, choose Time Machine System Restore > Quit Time Machine System Restore. See Use Time Machine to restore your files.
•Install macOS: Reinstall macOS on your computer. In the Recovery app, select Reinstall macOS Sonoma, then click Continue. To return to the Recovery app, choose Install macOS Sonoma > Quit Install macOS. See Reinstall macOS.
•Safari: In the Recovery app, select Safari, then click Continue. To return to the Recovery app, choose Safari > Quit Safari. If you’re connected to the internet, you can use Safari to search for more information on the Apple Support website. Note that Safari browser plug-ins and extensions are disabled in macOS Recovery.
•Disk Utility: Repair or erase your disk. In the Recovery app, select Disk Utility, then click Continue. To return to the Recovery app, choose Disk Utility > Quit Disk Utility. See Erase and reinstall macOS.
1.Restart your Mac.
2.Immediately press and hold one of the following key combinations until you see the startup screen:
•Command-R: Start up from the built-in macOS Recovery System. Use this key combination to reinstall the latest macOS that was installed on your system, or to use the other apps in macOS Recovery.
•Option-Command-R: Start up from macOS Recovery over the internet. Use this key combination to reinstall macOS and upgrade to the latest version of macOS that’s compatible with your Mac.
•Option-Shift-Command-R: Start up from macOS Recovery over the internet. Use this key combination to reinstall the version of macOS that came with your Mac or the closest version that’s still available.
3.If you see a lock, enter the password for your Mac.
If the Wi-Fi menu icon (in the upper-right corner of the screen) contains one or more bars , Wi-Fi is turned on and connected to a wireless network. If the Wi-Fi menu icon doesn’t contain any bars , Wi-Fi is turned on but isn’t connected to a wireless network. If the Wi-Fi menu icon has a slash through it , Wi-Fi is turned off. Wi-Fi needs to be turned on before you can join a wireless network.
On your Mac, do any of the following:
•Turn on Wi-Fi: Click the Wi-Fi menu icon, then choose Turn Wi-Fi On.
•Turn off Wi-Fi: Click the Wi-Fi menu icon, then choose Turn Wi-Fi Off.
•Join a network: Click the Wi-Fi menu icon, then choose a network. If requested, type the network’s password.
•Join a closed network: Click the Wi-Fi menu icon, then choose Join Other Network. Enter the network’s name and, if requested, the network’s password.
If you have issues with your computer or if you started your computer and the macOS Recovery window appeared, you may need to repair your computer’s internal storage device (such as a solid-state drive (SSD)).
1.In the Recovery app, select Disk Utility, then click Continue.
2.In the Disk Utility app, choose View > Show All Devices.
3.In the sidebar, select a volume, then click the First Aid button .
4.In the First Aid dialogue, click Run, then follow the onscreen instructions.
5.When the First Aid process is complete, click Done.
If you previously created a Time Machine backup, you can restore your files from the backup.
Important: Only use your Time Machine backup to restore information to the computer that is the source of the backup. If you want to transfer information from this Mac to a new computer, quit macOS Recovery, restart your Mac, then use the Migration Assistant app in macOS.
1.If your backup is on a Time Capsule, make sure you’re connected to the internet.
2.In the Recovery app, select Restore from Time Machine, then click Continue.
Setting a firmware password prevents your Mac from starting up from any internal or external storage device other than the startup disk you’ve selected unless the firmware password is entered. You can turn on, turn off or change the firmware password using Startup Security Utility.
When the firmware password is turned on, each time you start up from macOS Recovery or from a storage device other than the one selected in Startup Disk settings, you need to enter the firmware password.
After you restart your Mac, changes to the firmware password take effect.
1.In the Recovery app, choose Utilities > Startup Security Utility.
2.If requested, enter an administrator username and password.
3.Do any of the following:
Secure boot options are available only on Mac computers with the Apple T2 Security Chip.
After you restart your Mac, changes to the secure boot option take effect.
1.In the Recovery app, choose Utilities > Startup Security Utility.
2.Enter an administrator username and password.
3.Select a security option below Secure Boot.
•Full Security: Ensures that only your current OS, or signed operating system software currently trusted by Apple, can run. This mode requires a network connection at software installation time.
Under some circumstances, you may need to reinstall macOS. You can reinstall macOS while keeping your files and user settings intact.
1.Make sure you’re connected to the Internet.
2.In the Recovery app, click Reinstall macOS Sonoma, then click Continue.
3.Follow the onscreen instructions.
If you erase and reinstall macOS, your user accounts, network settings, and all the files and folders on your Mac are deleted. Before you erase macOS, attempt to log back in to your system, then back up any files you want to keep by copying them to another storage device. Also, write down your network settings from Network settings to make it easier to get connected again after reinstalling macOS.
1.Make sure you’re connected to the Internet.
2.In the Recovery app, click Disk Utility, then click Continue.
3.In Disk Utility, select the volume you want to erase in the sidebar, then click the Erase button in the toolbar.
4.Type a name for the volume in the Name field.
5.Click the Format pop-up menu, choose APFS, then click Erase Volume Group.
Aug 23, 2022 · How to factory reset your Mac running older macOS. Your Mac has a built-in repair service that makes it possible to recover your Mac's operating system if something should go wrong. It's called macOS Recovery, and it makes it possible for you to: Install the most recent operating system that was installed on your Mac.
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