Dell Latitude D510 - Manual (Page 103)

2. Click to select the network you want to configure, and then click Connect or double-click the network name in the list. If you select a secure network
(identified by a icon), you must enter a WEP or WPA password when prompted.
After your computer is configured for the wireless network you selected, another pop-up notifies you that your computer is connected to the network
you selected.
Thereafter, whenever you log on to your computer in the area of the wireless network, the same pop-up notifies you of the wireless network
connection.
NOTE: Network security settings are unique to your network. Dell cannot provide this information.
NOTE: Your computer can take up to 1 minute to connect to the network.