Step 1: Open your Web Browser.
Step 2: Type 'http://192.168.1.1' into the address field. Click the 'Go' button.
Step 3: You should then see an "Enter Network Password" window. Enter your User Name and Password, then click 'OK'.
Step 4: Change the 'Domain Name' setting (outlined in the graphic below) to read 'attbi.com'. Also make sure the 'Get an IP Address Automatically' radio button is selected.

Step 5: Make sure that both the Primary and Secondary DNS are set to 0.0.0.0
Step 6: Click the 'Apply' button at the bottom of the NBG800's Access Setup Page.
Step 7: Power-cycle ALL the devices (Cable modem, NBG800, PCs) connected to the router.
Step 8: Congratulations, you now have changed your configuration to accomodate the new changes.

If you still cannot connect to the Internet, please click here.