Apple 2009 MacBook Specifications download pdf (Page 48)

48 Chapter 4 Problem, Meet Solution

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 try

the following steps.

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.

Important: Instructions that refer to modems do not apply to LAN users. LAN users

might have hubs, switches, routers, or connection pods that DSL and cable modem

users do not have. LAN users should contact their network administrator rather than

an ISP.

PPPoE Connections

If you are unable to connect to your Internet service provider using PPPoE (Point to

Point Protocol over Ethernet), make sure you have entered the correct information in

Network preferences.

To check PPPoE settings:

1 Choose Apple () > System Preferences.

2 Click Network.

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Apple 2009 MacBook Specifications Page 48