Have your wireless network name, or SSID, and wireless network key available. Both items are available through MyMidco by signing in and clicking on the Wireless Modem Network Key icon
Turn on the Nook and press the Nook button
Tap settings in the Quick Nav bar
Under Device Settings tap Wireless
Make sure Wi-Fi is set to On. If not, tap Off to enable Wi-Fi
Wireless networks will show the available wireless networks
Tap wireless network name, or SSID, you would like to join and tap Connect
Enter the wireless network key, or password, and tap Connect
"Connected to the Internet" will display beneath the wireless network name once connected
Press the Nook button to return to the home screen