I'm connected to nowires but can't access the internet on my Mac

External DNS servers are not supported at this time and should be removed.

Follow the steps below to remove any DNS settings and try again, you should now be able to access the Internet from nowires 

1. Click on the Apple Logo located at the top left-hand corner of your Mac.
2. Select System Preferences.
3. Navigate to Internet & Wireless and click on Network.
4. Select your active Internet Adapter (Airport if Wireless or Ethernet if Wired).
5. Click Advanced.
6. Nagivate to the DNS tab, select the DNS addresses that appears in the DNS field.
7. Click on the minus (-) button to remove them.
8. Click OK to save the changes.