I am having a connection issue with my Mac, the following error messages are displayed:
Airport is does not have an IP address and cannot connect to the internet
, followed by Airport has the self-assigned ip address and will not be able to connect to the internet"
. What can be done?
- Go to System Preference > Network
- Click on the Setup button at the top go to Edit Configurations
- Click the + button to add a configuration. Remove the old configurations using the - button.
- Set Airport to the top of the list in the left sidebar (Click on the small gear icon > Set the order of service > drag Airport to the top of the list.
- In the left sidebar select: "Wi-Fi"
Then in the right pane:
- Network Name > Check if the name of your network is present.
- Check the "Request to connect to new networks"
Go to the Advanced tab at the bottom right:
- In Wi-Fi
- Drag your preferred network at the top of the list.
- Delete unnecessary networks clicking on the - button.
- check the "Remember the networks....." and clear the other check boxes
- Verify that the security mode is properly configured (WPA, WPA2, WEP...depending on your how your access point is configured)
- In TCP/IP,
- Configure IPv4 = "Use DHCP"
- Configure IPv6 = "Automatic"
- Leave the other field empty
- In DNS:
- In WINS
- Leave then default settings
- In 802.1X
- Only check the box "Enable automatic connection"
- Check "Use Passive FTP (PASV)" only.
Save your settings and try to connect again.
Thanks to Sanspseudo
for this tip.