The 640m wireless network card is automatically recognized by Ubuntu. You can directly configure and enable the wireless network from System-& gt; Preferences-& gt; Networking. However, this is not easy to use, and you cannot easily change the network connection at any time. This requires a few packets. You need to install network-manager, wifi-radar, and network-manager-gnome (Optional). Click the network-manager icon and click the 640m wireless network adapter, which is automatically recognized by Ubuntu, you can directly configure and enable the wireless network from System> Preferences> Networking.
However, this is not easy to use, and you cannot easily change the network connection at any time. This requires a few packets. You need to install network-manager, wifi-radar, and network-manager-gnome (Optional). Click the network-manager icon and click Manual Configuration... Enter the password, select wireless connection, click Properties on the right, and select Enable roaming mode in the upper-left corner. The same process is used for Wired connection, so that you can easily switch the network-manager. Click the network-manager icon. Several available connections are displayed. You can select to switch the network.
Wi-Fi-radar can be used to discover existing wireless networks.
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