User manual
Table Of Contents
- Notice à l’attention des installateurs de réseaux câblés
- Mitteilung für CATV-Techniker
- Aviso a los instaladores de sistemas CATV
- IMPORTANT SAFETY INSTRUCTIONS
- Power Source Warning
- Ground the Product
- Protect the Product from Lightning
- Verify the Power Source from the On/Off Power Light
- Eliminate AC Mains Overloads
- Handling Disposable Batteries
- Provide Ventilation and Select a Location
- Protect from Exposure to Moisture and Foreign Objects
- Service Warnings
- Check Product Safety
- Protect the Product When Moving It
- Telephone Equipment Notice
- United States FCC Compliance
- CE Compliance
- About This Guide
- Introducing the DOCSIS Cable Modem
- Installing the DOCSIS Cable Modem
- Installation Preparations
- Install the Cable Modem
- Operation of Front Panel Indicators
- Maintaining the Battery
- Troubleshooting the DOCSIS Cable Modem
- Frequently Asked Questions
- How Do I Configure TCP/IP Protocol?
- How Do I Renew the IP Address on My PC?
- What if I Don't Subscribe to Cable TV?
- How Do I Arrange for Installation?
- How Does the Cable Modem Connect to My Computer?
- After My Cable Modem Is Connected, How Do I Access the Internet?
- Can I Watch TV and Surf the Internet at the Same Time?
- Can I Use my Existing Phone Number with the Cable Modem?
- How Many Telephones Can I Connect?
- Common Troubleshooting Issues
- Tips for Improved Performance
- Frequently Asked Questions
- Customer Information
- Index
Chapter 5 Troubleshooting the DOCSIS Cable Modem
34 4027620 Rev A
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 7 Systems
1 Click the Windows Start button.
2 Type cmd in the Search box. The cmd window opens.
3 Type ipconfig /renew and press Enter to renew the IP address of the computer.
Renewing the IP Address on Windows 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 Macintosh Systems
1 Close all open programs.
2 Open your Preferences folder.
3 Drag the tcp/ip preferences file to the Trash.
4 Close all open windows and empty the Trash.
5 Restart your computer.
6 As your computer starts, simultaneously press and hold down the Command
(Apple), Option, P, and R keys on your keyboard. Keeping those keys pressed
down, power on your Macintosh but do not release these keys until you hear the
Apple chime at least three times; then, release the keys and let the computer
restart.
7 When your computer fully reboots, click the Apple icon in the upper-left corner
of the Finder. Scroll down to Control Panels, and then click TCP/IP.
8 Click Edit on the Finder at the top of the screen. Scroll down to the bottom of the
menu, and then click User Mode.
9 Click Advanced in the User Mode window, and then click OK.
10 Click the Up/Down selector arrows located to the right of the Connect Via
section of the TCP/IP window, and then click Using DHCP Server.