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Setting Up a Network
Dell™ Latitude™ D420 User's Guide
Physically Connecting to a Network or Broadband Modem
Network Setup Wizard
Wireless Local Area Network (WLAN)
Mobile Broadband or Wireless Wide Area Network (WWAN)
Dell™
Internet Connection Firewall
Physically Connecting to a Network or Broadband Modem
Before you connect your computer to a network that is not wireless, the computer must have a network adapter installed and a network cable connected to it.
To connect a network cable:
1. Connect the network cable to the network adapter connector on the back of your computer.
NOTE: Insert the cable connector until it clicks into place, and then gently pull the cable to ensure that it is securely attached.
2. Connect the other end of the network cable to a network connection device or a network wall connector.
NOTE: Do not insert a network cable into a telephone wall connector.
Network Setup Wizard
The Microsoft® Windows® XP operating system provides a Network Setup Wizard to guide you through the process of sharing files, printers, or an Internet connection between computers in a home or small office.
1.Click Start→ Programs→ Accessories→ Communications→ Network Setup Wizard.
2.On the welcome screen, click Next.
3.Click Checklist for creating a network.
NOTE: Selecting the connection method labeled This computer connects directly to the Internet enables the integrated firewall provided with Windows XP Service Pack 2 (SP2).
4.Complete the checklist.
5.Return to the Network Setup Wizard and follow the instructions on the screen.
Wireless Local Area Network (WLAN)
A WLAN is a series of interconnected computers that communicate with each other over the airwaves rather than through a network cable connected to each computer. In a WLAN, a
