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86 Appendix C Connecting to the Internet
Troubleshooting Your Connection
If you have trouble with your Internet connection, you can try the steps in this section.
Network Diagnostics
If you can’t connect to the Internet, use Network Diagnostics to investigate your
network settings.
To use Network Diagnostics:
1 Choose Apple () > System Preferences.
2 Click Network and then click “Assist me.”
3 Click Diagnostics to open Network Diagnostics.
4 Follow the onscreen instructions.
If Network Diagnostics can’t resolve the problem, there may be a problem with the
Internet service provider (ISP) you are trying to connect to, with an external device you
are using to connect to your ISP, or with the server you are trying to access. You can
also try the following steps.
Cable Modem, DSL, and LAN Internet Connections
Make sure all modem cables are firmly plugged in, including the modem power cord,
the cable from the modem to your computer, and the cable from the modem to the
telephone jack. Check the cables and power supplies to Ethernet hubs and routers.
Turn the modem on and off and reset the modem hardware
Turn off your DSL or cable modem for a few minutes, and then turn it back on. Some
ISPs recommend that you unplug the modem’s power cord. If your modem has a reset
button, you can press it either before or after you turn the power off and on.
LL3734M40.book Page 86 Thursday, July 6, 2006 3:45 PM