When the startup is complete, the Power LED lights solid white. If the Power LED does not light,
press the Power On/Off button.
5. Wait for the modem router to come online.
When the modem router comes online, the Internet LED stops blinking and lights solid white.
This process might take up to 10 minutes.
6. Connect a computer or mobile device to the modem router.
To connect with WiFi, use the WiFi network name and password on the modem router label.
To connect using a wired connection, use an Ethernet cable to connect a computer to an Ethernet
port on the
modem router.
Reboot the computer.
7. Log in to the modem router.
Launch a web browser and enter http://routerlogin.net or http://192.168.0.1 in the address
field of the web
browser.
When prompted to log in, enter admin for the user name and password for the password, change
the admin password, and enter security questions and answers.
8. Activate your Internet service.
For information about how to activate your Internet service, see Activate Your Internet Service on
the other side of this quick start guide.
Contents [ hide
1 Activate Your Internet Service
2 Perform a Speed Test
3 Join the WiFi Network
4 Support
5 Related Manuals:
Activate Your Internet Service
Activate your Internet service by using Comcast XFINITY’s self-activation process. If you are unable to
self-activate your modem router, call Comcast XFINITY customer service. After you complete the
setup, perform a speed test.
Before you start the self-activation process, collect the following information:
XFINITY account number
The phone number associated with your XFINITY account
XFINITY login information (your email address or user name and password)
Modem router model number, which is C7500
Modem router serial number
Modem router MAC address
Your modem router’s serial number and MAC address are on the modem router label.
To set up your Internet connection with Comcast XFINITY’s self-activation process:
1. Close all web browsers.
2. Launch a web browser.
You are redirected to the XFINITY self-activation page. If you are not redirected to the XFINITY
self-activation page, visit http://www.comcast.com/activate.
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 1-
855-OK-BEGIN (1-855-652-3446) or 1-800-XFINITY (1-800-934-6489).
Perform a Speed Test
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