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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.
To get started, unplug the power cable and wait 30 seconds to a minute, then re-plug the power cable into your Xfinity router/modem. Wait a full minute to see if the green light stabilizes.
A white light blinking on your Xfinity Gateway, modem, or router indicates a network connection issue. Generally, it means that the Xfinity Gateway, modem, or router is trying to establish a ...