1. First go to a web browser
  2. Then, in the address bar type, 192.168.100.1
  3. Press enter, this will bring you to the Arris modem webpage
  4. Below where it says Arris, status is in a yellow box. To the right of it you will see a wireless tab, click on it.
  5. This will ask you for a username and password:

Username: admin
Password: password

  1. Then click apply
  2. Scroll down to security settings until you find the preshared key, now change this to any desired password you choose.
  3. Please remember to write down what password you have changed this to and keep it in a safe spot.
  4. Then reboot your modem by shutting down your computer completely(not on sleep or standby), unplug the cable modem from the electrical outlet.  Leave it unplugged for about 2 minutes then plug it back in and let it boot up completely with the 4 lights solid, then turn on your computer.