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macOS User Guide
- Welcome
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- Change System Preferences
- Change your desktop picture
- Add your email and other accounts
- Use a screen saver
- Change the picture for you or others in apps
- Set up other users on your Mac
- Set up Screen Time for yourself
- Change the system language
- Make it easier to see what’s on the screen
- Use accessibility features
- Run Windows on your Mac
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- Use Continuity across your devices
- Stream audio and video with AirPlay
- Use your iPad as a second display
- Hand off between devices
- Insert photos and documents from iPhone or iPad
- Insert sketches from iPhone or iPad
- Copy and paste between devices
- Use Apple Watch to unlock your Mac
- Make and receive phone calls on your Mac
- Control accessories in your home
- Send files between devices with AirDrop
- Use AirPods with your Mac
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- Manage cookies and other website data in Safari
- Use Private Browsing in Safari
- View privacy reports in Safari
- Understand passwords
- Reset your Mac login password
- Use keychains to store passwords
- Set up your Mac to be secure
- Guard your privacy
- Use Sign in with Apple for apps and websites
- Protect your Mac from malware
- Control access to your camera
- Find a missing device
- 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.
Take the Mac to an Apple Authorized Service Provider or Apple Store. You can also contact Apple Support.
For more information, see Service or repair your Mac.
See alsoApple Support website
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