Netgear AC1900-High Installation Guide - Page 11

3. Provide your XFINITY credentials and complete the self‑activation process. This process might take up to 15 minutes, during which the modem router reboots twice. 4. If you are unable to activate your modem router using the XFINITY self-activation process, call Comcast XFINITY customer service at 1-800-XFINITY (1-800-934-6489) and do the following: a. When asked, provide your account information and provide the modem router's model number and MAC address, which are on the modem router label. b. Wait for Comcast XFINITY to confirm that your modem router is active. c. If you do not get an Internet connection with the modem router, ask Comcast XFINITY to look for your modem router online, and do one of the following depending on what Comcast XFINITY tells you about your modem router: • If the modem router is not visible, Comcast XFINITY can give you instructions to verify why the modem router does not connect with your high-speed Internet service. • If the modem router is visible to Comcast XFINITY, reboot the modem router. Check your online status again. 9