Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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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
Restart an external device on Mac
If you have a network device such as a hub or Wi-Fi router connected to your computer and you’re having problems, you might be able to correct the problem by restarting the device. See the documentation that came with the device if you don’t know how to restart it.
It often helps to wait a few minutes between turning off and restarting the device. Also, wait until it has started up completely before trying to use it again.
If you have multiple devices connected in a “daisy-chain” to your computer, it is important to turn off all the devices, then restart them in sequence, beginning with the device farthest from the computer. For example, if you have a DSL or cable modem connected to the internet, a router connected to the modem and your computer is connected to the router, turn off all the devices. Wait a few minutes, then restart the modem first. When it has started up completely, restart the router, and let it start up completely.
If restarting the devices doesn’t help, try restarting your computer.