Questions and Answers
What does the exclamation point in a circle indicate for your Mac?
What should you do if the lock icon appears on your Mac during startup?
If your Mac has Activation Lock, what is the necessary action to unlock it?
What indicates that your Mac is in target disk mode?
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What happens when the System Lock PIN code is required on your Mac?
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What does the circle with a line through it indicate during startup?
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What is the purpose of Disk Utility in MacOS Recovery?
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What should you do if your Mac shows a spinning globe during startup?
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To boot your Mac in Safe Mode, which key must you hold after selecting the disk?
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What could indicate that your Mac is stuck on a blank screen?
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Which action does not utilize the macOS Recovery options?
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What does a folder with a flashing question mark indicate?
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Which option is not available in the Utilities Menu while in macOS Recovery?
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Study Notes
MacOS Recovery Overview
- Provides a pre-boot environment when the Mac cannot boot from the hard disk's System folder.
- To initiate, press and hold the Power button from a cold boot until "Loading Startup Options" appears.
MacOS Recovery Options
- Select Mac HD to boot normally from the disk with the System folder.
- Hold Shift to boot into Safe Mode.
- Under 'Options':
- Restore from Time Machine backup.
- Reinstall macOS.
- Access Safari for browsing assistance.
- Utilize Disk Utility for tasks like erasing, partitioning, or running First Aid.
Utilities Menu
- Contains additional options such as:
- Startup Security Utility for managing security settings.
- Terminal for command-line operations.
- Share Disk to share data between Macs.
Startup Indicators
- Folder with a flashing question mark indicates the system can't find the startup disk or macOS.
- A circle with a line through it shows the startup disk contains incompatible macOS.
- Use Disk Utility for repairs; if issues persist, reinstall macOS or contact Apple Support.
Internet Recovery
- In internet recovery, a spinning globe replaces the Apple logo during startup.
- A globe with a warning symbol (!) indicates a failed attempt to start from internet recovery; check the internet connection and use Ethernet if possible.
- Command-R can be used to start built-in macOS Recovery.
- Apple logo signifies successful disk detection for booting.
Booting Issues
- If your Mac is stuck on a blank screen, restart the device.
- If the issue recurs, use Disk Repair Utility or contact Apple Support for further assistance.
- An exclamation point in a circle suggests firmware revival is needed via Finder or Apple Configurator in DFU Mode.
Firmware and Activation Locks
- Lock icon implies the entry of a firmware password is required to boot from a non-internal disk.
- Activation Lock means the device is locked by a previous owner; contact them for assistance using their Apple ID.
- System Lock PIN code prompt occurs if the Mac is locked due to being marked as lost; enter the code to unlock.
Target Disk Mode
- Connect two Macs using USB, USB-C, or Thunderbolt to enable one to appear as an external hard disk to the other.
- This mode is useful for transferring files between computers.
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Description
Test your knowledge of the MacOS Recovery process and its functionalities. This quiz covers essential operations such as booting in Safe Mode, restoring from Time Machine, and using Disk Utility. Brush up on your skills to efficiently troubleshoot Mac boot issues.
