Whether setting up a new internet connection or replacing your router with a new one, getting your Xfinity modem up and running is the first step toward a better Wi-Fi signal and a reliable and ...

How to Set Up a Modem Different ISPs provide different models of modems. However, all modems have input connections to establish an internet connection and the output connections that create a ...

Xfinity will let you rent a modem when you sign up for its Internet service, but you do have the option of using a third-party modem instead. Here's how.