Mouse over the Wireless icon in the notification area of your computer, near the clock.
Wireless icons vary depending on your Windows operating system.
Figure : Mouse over the Wireless icon to show the wireless network connection
If the wireless network shown is not yours (for instance, if you are connected to another local network), you must reconnect to your own network before continuing.
If the Wireless icon has been replaced by the Airplane icon, then Airplane mode is enabled. Click the Airplane icon, slide the Airplane mode slider to Off, and then connect to your wireless network.
Figure : Example of Airplane mode enabled