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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
Troubleshoot an Ethernet device on Mac
If you have an Ethernet device (such as a DSL or cable modem, or an Ethernet hub or router) connected to your Mac, and it doesn’t seem to be working properly, check the cables and network settings, and restart the device and your Mac.
Check the Ethernet cable to make sure it’s not damaged.
Make sure the Ethernet cable is securely connected to the Ethernet port on your computer and the device. Remove the cable, then reconnect it to make sure it’s connected properly.
Make sure your network settings are correct. If you’re not sure which settings to use, contact your ISP.
Shut down your Mac, then turn off the Ethernet device. Wait a few minutes, then turn the Ethernet device back on. Wait until it has started up completely, then restart your Mac.
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