Apple iMac (Early 2008) - Manual (Page 44)

44 Chapter 4 Problem, Meet Solution
Problems with Your Internet Connection
If you have trouble with your Internet connection, you can try the steps in this section
starting with Network Diagnostics.
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 steps in the following sections.
Cable Modem, DSL, and LAN Internet Connections
Make sure all modem cables are fully plugged in. Check the modem power cord, the
cable from the modem to the computer, and the cable from the modem to the wall
jack. Also check the cables and power supplies for Ethernet hubs and routers.
Turn the modem off and on to 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.