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To change your Wi-Fi settings, click the fan-shaped icon in the top right, shown in Figure 3-3. It opens a menu that shows you the available networks, together with an option to turn off Wi-Fi.

FIGURE 3-3: The Bluetooth and Wi-Fi buttons, beside the volume control and clock.

Click a network to select it and you’re prompted to enter the Pre-shared Key, which is the Wi-Fi password. If the connection fails or drops, the Wi-Fi icon changes to an icon with two red crosses on it.

You can test whether your connection is working by opening the web browser and visiting a web page with it (see Chapter 4).

After you’ve set up a Wi-Fi network using the tool, your Raspberry Pi remembers it, so it automatically reconnects whenever you restart your Raspberry Pi or reconnect after previously turning off Wi-Fi. You can also use the network connection you have set up from the command line.

When you connect to a new network, the Pi doesn’t remember the previous network’s password, so you need to reenter it if you want to reconnect to it later.