Dell Inspiron 1720 (Mid 2007) - Manual (Page 86)

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Setting Up and Using Networks
Setting Up a Network
1 Click Start , and then click Connect To.
2 Click Set up a connection or network.
3 Select an option under Choose a connection option.
4 Click Next, and then follow the instructions in the wizard.
Wireless Local Area Network
A wireless local area network (WLAN) is a series of interconnected computers
that communicate with each other over the air waves rather than through a
network cable connected to each computer. In a WLAN, a radio
communications device called an access point or wireless router connects
network computers and provides Internet, or network access. The access
point or wireless router and the wireless network card in the computer
communicate by broadcasting data from their antennas over the air waves.