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Appendix A: Troubleshooting
Common Problems and Solutions
Dual-Band Wireless Access Point
4. In the This connection uses the following items box, highlight Internet Protocol (TCP/IP). Click the
Properties button.
5. Enter a unique IP address that is not used by any other computer on the network connected to the
Router. You can only use an IP address in the ranges 192.168.1.2 to 192.168.1.99 and 192.168.1.151
to 192.168.1.254.
6. Enter the Subnet Mask, 255.255.255.0.
7. Enter the Default Gateway, 192.168.1.1 (Router’s default IP address).
8. Toward the bottom of the window, select Use the following DNS server addresses, and enter the
Preferred DNS server and Alternative DNS server (provided by your ISP). Contact your ISP or go on its
website to find the information.
9. Click the OK button in the Internet Protocol (TCP/IP) Properties window. Click the OK button in the
Local Area Connection Properties window.
3. I want to test my Internet connection.
Check your TCP/IP settings.
For Windows 98, Me, 2000, and XP:
Refer to “Chapter 4: Configure the PCs” for details. Make sure Obtain IP address automatically is selected in
the settings.
For Windows NT 4.0:
•
Click Start, Settings, and Control Panel. Double-click the Network icon.
•
Click the Protocol tab, and double-click on TCP/IP Protocol.
•
When the window appears, make sure you have selected the correct Adapter for your Ethernet adapter
and set it for Obtain an IP address from a DHCP server.
•
Click the OK button in the TCP/IP Protocol Properties window, and click the Close button in the Network
window.
•
Restart the computer if asked.
4. Open a command prompt.
•
For Windows 98 and Me, please click Start and Run. In the Open field, type in command. Press the Enter
key or click the OK button.
•
For Windows NT, 2000, and XP, please click Start and Run. In the Open field, type cmd. Press the Enter
key or click the OK button.
5. In the command prompt, type ping 192.168.1.1 and press the Enter key.
•
If you get a reply, the computer is communicating with the Router.
•
If you do NOT get a reply, please check the cable, and make sure Obtain an IP address automatically is
selected in the TCP/IP settings for your Ethernet adapter.
