Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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- Get started with Apple Intelligence
- Use Writing Tools
- Use Apple Intelligence in Mail
- Use Apple Intelligence in Messages
- Use Apple Intelligence with Siri
- Get webpage summaries
- Summarize an audio recording
- Use Apple Intelligence in Photos
- Summarize notifications and reduce interruptions
- Apple Intelligence and privacy
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- Intro to Continuity
- Use AirDrop to send items to nearby devices
- Hand off tasks between devices
- Control your iPhone from your Mac
- Copy and paste between devices
- Stream video and audio with AirPlay
- Make and receive calls and text messages on your Mac
- Use your iPhone internet connection with your Mac
- Share your Wi-Fi password with another device
- Use iPhone as a webcam
- Insert sketches, photos, and scans from iPhone or iPad
- Unlock your Mac with Apple Watch
- Use your iPad as a second display
- Use one keyboard and mouse to control Mac and iPad
- Sync music, books, and more between devices
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- Control what you share
- Set up your Mac to be secure
- Allow apps to see the location of your Mac
- Use Private Browsing
- Keep your data safe
- Understand passwords
- Change weak or compromised passwords
- Keep your Apple Account secure
- Use Mail Privacy Protection
- Use Sign in with Apple for apps and websites
- Find a missing device
- Resources for your Mac
- Resources for your Apple devices
- Copyright
If the Status Indicator Light flashes on Mac
If your computer has a Status Indicator Light (SIL), it’s normal for it to slowly pulse (brighten and dim) when your computer is in sleep. If the SIL flashes (turns completely on and off repeatedly), the computer may need service.
If you hear beeps during startup
If you hear beeps when your Mac starts up (the beeps are different from the typical startup sound) and the SIL flashes, your Mac might need service.
If the Status Indicator Light flashes during startup
If you don’t hear beeps, but the SIL flashes five times when you start up your Mac or wake it from sleep, your Mac might need service. See Find out how to service or repair your Mac.
Important: If your Mac has a faulty battery, or no battery, and it runs out of power, you could lose unsaved changes. To avoid this, keep your battery charged.
You can continue using your Mac before it’s serviced. Use a different battery, or connect the power adapter and plug it into a power source.