Troubleshooting
Appendix A
Appendix A: Troubleshooting
You cannot access e-mail or the Internet.
Go through this checklist until your problem is solved:
1.Make sure all of your connections are secure.
a.The Ethernet cable should be inserted completely into both the computer’s network adapter and the Ethernet port on the back panel of the Cable Modem.
b.If you are using the Cable Modem’s USB port, check the USB connections to the Cable Modem and your computer.
c.Check all cables between your computer and the Cable Modem for frays, breaks, or exposed wiring.
d.Make sure your power adapter is properly plugged into both the Cable Modem and the electrical outlet or surge protector.
e.If the Cable Modem is properly connected, the Power, DS, US, and Online LEDs on the Cable Modem should be solidly lit. The Link LED should be solidly lit or flashing.
2.Press the Reset button on the back panel of the Cable Modem. Using an object with a small tip, such as a pen, push the button until you feel it click. When the Online LED is solidly lit, try to connect to the Internet again.
3.Call your cable ISP to verify that their service is
4.If you installed the Cable Modem using the Ethernet port, make sure the computer’s network adapter is operating correctly. Make sure the adapter is listed in the Windows Device Manager and has no conflicts. For more information, refer to Windows Help.
5.Make sure TCP/IP is the default protocol used by your computer. For more information, refer to Windows Help.
6.If you are using a cable line splitter so you can connect the Cable Modem and a television at the same time, remove the splitter and reconnect your cables so that the Cable Modem is connected directly to the cable wall jack. When the Online LED is solidly lit, try to connect to the Internet again.
Cable Modem with USB and Ethernet Connections | |
