Actually, you can go to the system drop down menu and select administration then select Network. This will list your physical network connections that are available.
You can select the connection for wireless and click on properties to review and update the settings of the connection/device.
The screen will be grayed out and you will have to supply the root password in order to use this function.
You can also use terminal and type iwconfig to view your wireless network device and see what it is connected to.
regards,
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