Operating instructions

Chapter 4 Troubleshooting the Installation
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My cable modem does not recognize the cable network
The cable modem works with a standard, 75-ohm, RF coaxial cable. If you are
using a different cable, your cable modem will not function properly. Contact
your service provider to determine if you are using the correct cable.
You may need to renew the IP address on your PC. Refer to How Do I Renew the
IP Address on My PC?, for instructions on how to renew the IP address for your
particular operating system.
Your USB interface may be malfunctioning. Refer to the troubleshooting
information in your USB documentation.
How do I renew the IP address on my PC?
If your PC cannot access the Internet after the cable modem is online, it is possible
that your PC did not renew its IP address. Follow the appropriate instructions in this
section for your operating system to renew the IP address on your PC.
Renewing the IP Address on Windows NT, 2000, or XP Systems
1 Click Start, and then click Run. The Run window opens.
2 Type cmd in the Open field and click OK. A window with a command prompt
opens.
3 Type ipconfig/release at the C:/ prompt and press Enter. The system releases
the IP address.
4 Type ipconfig/renew at the C:/ prompt and press Enter. The system displays a
new IP address.
5 Click the X in the upper-right corner of the window to close the Command
Prompt window. You have completed this procedure.
Note: If you cannot access the Internet, contact your service provider for further
assistance.
Renewing the IP address on Windows 95, 98, 98SE, and ME Systems
1 Click Start, and then click Run to open the Run window.
2 Type winipcfg in the Open field, and click OK to execute the winipcfg
command. The IP Configuration window opens.
3 Click the down arrow to the right of the top field, and select the Ethernet adapter
that is installed on your PC. The IP Configuration window displays the Ethernet
adapter information.
4 Click Release, and then click Renew. The IP Configuration window displays a
new IP address.