Choose the Apple menu 
> System Preferences on your Mac, then click Network
. Select the network connection you want to check in the list at the left.
A status indicator next to the connection shows its status:
- Green means the service is active (turned on) and connected.
- Yellow means it’s active but not connected.
- Red means the service has not been set up.
Please see the Apple support links below for more help troubleshooting Mac-related issues.
Troubleshoot joining a Wi-Fi network on Mac
Troubleshoot an Ethernet device on Mac
Troubleshoot connecting your Mac to the internet
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article