macOS User Guide
- Welcome
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- Work across devices using Continuity
- Use iPhone as a webcam
- Use iPhone with Desk View
- Stream audio and video with AirPlay
- Use one keyboard and mouse to control Mac and iPad
- Hand off between devices
- Unlock your Mac with Apple Watch
- Make and receive phone calls on your Mac
- Sync music, books, and more between devices
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- What is Family Sharing?
- Set up Family Sharing
- Add a user or group
- Set up Screen Time for a child
- Share purchases with your family
- Watch and listen together with SharePlay
- Share a Photo Library
- Collaborate on projects
- Find content shared with you
- Find your family and friends
- Play games with your friends
- Resources for your Mac
- Resources for your Apple devices
- Copyright
If the storage in this Mac needs service
If you receive a notification that the storage in this Mac needs service, it means an error with the Solid State Drive (SSD) has been detected.
The SSD in the Mac includes Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) hardware. This technology detects blocks of flash memory that have stopped working correctly. The problem can’t be fixed using Disk Utility or any other third-party app.
Get service for your SSD
Back up as much of the data on the SSD as possible using Time Machine.
For more information, see Back up your files with Time Machine on Mac.
Contact Apple or an Apple Authorized Service Provider for service. Repairs performed by untrained individuals or using non-genuine Apple parts may affect the safety and functionality of the device.
For more information, see Find out how to service or repair your Mac.