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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
Solve problems with a disk using Disk Utility on Mac
The following issues may be related to your hard disk:
Multiple apps quit unexpectedly
Files become corrupt
An external drive does not operate properly
Your computer doesn’t start up
If you have problems with your hard disk, you may be able to repair it using Disk Utility.
See the Repair a disk topic in the Disk Utility User Guide.
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