For more information about Apple Hardware Test, see the Apple Hardware Test Read Me file on the Mac OS X Install Disc 1.
Problems with Your Internet Connection
Your MacBook has the Setup Assistant application to help walk you through setting up an Internet connection. Open System Preferences and click Network. Click the “Assist me” button to open Network Setup Assistant.
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.
2Click Network and then click “Assist me.”
3Click Diagnostics to open Network Diagnostics.
4Follow 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 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.
Chapter 4 Problem, Meet Solution | 47 |