Hardware Setup
13
Nighthawk AC1900 WiFi Cable Modem Router
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 www.comcast.com/activate.
3. Provide your Xfinity credentials and complete the selfactivation process.
This process might take up to 15 minutes, during which the modem router reboots a
couple times.
Call Comcast Xfinity to Set Up Your Internet Connection
If you are unable to self-activate your modem router, call Comcast Xfinity customer service.
Before you call Comcast Xfinity, make sure that your account number, account phone
number
, email address, and password are nearby. The modem router’s model number is
C7000. The serial number and MAC address are on the product label.
MAC address
Serial number
Figure 5. Find the serial number and the MAC address on the product label
To set up your Internet connection by calling Comcast Xfinity:
1. Call Comcast Xfinity customer service at 1-800-XFINITY (1-800-934-6489).
2. When asked, provide your account information and provide the modem router
’s model
number and MAC address.
3. W
ait for the Comcast Xfinity representative to confirm that your modem router is active.
4. If you do not get an Internet connection with the modem router
, ask the Comcast Xfinity
representative to look for your modem router online, and do one of the following depending
on what the representative tells you about your modem router:
• If the modem router is not visible, the Comcast Xfinity representative 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 the Comcast Xfinity representative, reboot the
modem router
. Check your online status again.
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