My AirPort connection does not work

If your computer can't connect to the Internet over AirPort, try the following steps to resolve the issue.

Check AirPort card status

1. From the Apple menu, choose About This Mac.

   

2. In the resulting window, click More Info to open System Profiler.

   

3. In the System Profile window, select AirPort Card from the left column under Hardware.
4. If the panel to the right displays "No information found," your computer doesn't realize that it has an AirPort Card installed. Try removing and reinstalling your AirPort Card in your computer and then check again.
   If you want to see instructions on how to reseat the card, click here.
5. If your computer recognizes its Airport Card but you still can't connect to your network, try the steps in the Airport Troubleshooting Guide.
6. If your computer still doesn't recognize the AirPort Card even after you've reseated it and checked its connection, your card may need to be replaced. You can order a replacement AirPort Card online.