HOW TO GO ABOUT Setting up your own modem to use with Comcast Internet service!
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Setting up your own modem with Comcast Internet
Ensure your modem is compatible with Xfinity services before beginning. Check the Comcast website or contact support to verify compatibility.
Unboxing & Equipment
Unbox your modem and gather the power adapter and Ethernet cables. Keep your Comcast account number and credentials handy.
Disconnect Old Gear
Unplug your existing modem or router from the power outlet and remove all connected cables.
Physical Connection
Connect the coaxial cable from your wall to the "Cable In" port on the modem. Plug in the power and wait a few minutes for initialization.
Network Connection
Connect an Ethernet cable from the modem to your computer or the WAN/Internet port of your router.
Activation
Open a web browser. The Xfinity activation page should appear. Follow the prompts using your account info to activate the new hardware.
Final Testing
Once you see the confirmation message, test your connection by visiting a few websites to ensure stability.