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Set up a computer to connect to the Internet directly, without the base station.For Mac OS 9Open the Internet Setup Assistant and follow the prompts. Connect to the Air Port Base Station and use the Air Port Setup Assistant.For Mac OS X 10.3 or later, click the Assist Me button in Network preferences.For earlier versions, see Mac OS X: Connect to the Internet, troubleshoot your Internet connection, and set up a small network.This may allow you to skip sections of this guide that are not relevant to you.Consider these questions: Is just one client affected?
You may ask your Internet service provider if there are any known issues using 802.11 wireless Ethernet networks with their service.
For more complex networks, see the Designing Air Port Networks document included on your Air Port Installation CD-ROM disc.
Check to see if all clients are affected If you have more than one computer that connects through the Air Port Base Station, check to see if all clients are affected.
If so, concentrate on troubleshooting client settings on that computer. Try to connect to the Internet from a client computer.
Make sure that its Air Port card is properly installed, with the antenna connected. If so, try this first: Unplug the Air Port Base Station. This addresses a common scenario in which a base station that has been powered on and connected to the Internet for an extended period holds an IP address (DHCP lease) for a longer period of time than your Internet service provider allows.