How Do I Power Cycle My Comcast Gateway?

How Do I Power Cycle My Comcast Gateway? Log in to your account at xfinity.com/myaccount using your Xfinity ID and password. Scroll down and select Manage Internet. Select Restart Modem to begin troubleshooting. Select Start Troubleshooting to begin your modem restart. How do I reset my Xfi Gateway? 0.1) to perform a factory reset, press