3Com Cable Modem External Modem User Manual


 
Troubleshooting the USB Installation
19
Power off the computer. Power cycle the computer by
unplugging the computer from its electrical outlet and
then plugging it back into the outlet. Then try
reconnecting to your cable service provider.
Call your cable service provider to verify that their
service is two-way. This modem is designed for use with
two-way cable plants.
If you are using a cable line splitter so that you can
connect the cable modem and a television at the same
time, try removing the splitter and reconnecting the
cables so that the cable modem is connected directly to
the cable wall jack. Then try reconnecting to your cable
service provider.
If you use the Windows 98 operating system, verify that
you have fewer than five TCP/IP bindings. Click
Windows Start, select Settings, and click Control Panel.
Double-click Network and count the number of TCP/IP
bindings listed. You cannot have more than five TCP/IP
bindings for the cable modem to operate. You must
remove enough TCP/IP bindings so that you have no
more than five TCP/IP bindings. After you remove the
extra bindings, uninstall the cable modem. Reboot the
computer and re-install the cable modem, following the
instructions in this guide.
Release and renew the computer’s IP address.
To release and renew the IP address for the
Windows 95/98 operating system:
a Click Windows Start and click Run.
b Ty pe
winipcfg
in the Open field and click OK. The IP
Configuration screen appears.