How to disable WiFi on Comcast modems

Arris TG862

1. First step is to open Arris TG862 web interface at http://192.168.0.1.

2. Log in using admin as user, password as password.

3. In the Basic Setup tab, you will have to disable wireless.

4. Click on Apply (notice that modem Wifi light will go off).

 

Arris TG852

1. First step is to open Arris TG862 web interface at http://192.168.0.1.

2. Log in using admin as user, password as password.

3. Go to Enable Wireless and turn OFF this option

4. When you are finished, click the Apply button before exiting.

 

Comcast DPC3939

1. Open a web browser on one of your computers and in the address bar type the IP address of it (the default one for the Comcast Xfinity is 10.0.0.1) and enter the login credentials.

2. Once you are connected, navigate to Gateway > WiFi and click on Edit for both the 2.4 GHz and the 5 GHz and disable the WiFi.