Connect it to the coax line and power it up. Let it fully sync up with the system, and check that the front / top panel indicator light(s) are steadily lit.
Then connect a computer to it and open up a browser. You *may* see their *Walled Garden* modem self registration page. If so, follow the screen prompts. Have your mobile telephone number, your Xfinity username and password, or the account number and telephone number associated with your Comcast account handy.
If not, try calling 1-855-652-3446. That is their device activation line.
If that doesn't work for you, you can call 1-800-comcast and tell a rep that you would like to have a new modem provisioned for service. Have the RF / CM / HFC MAC address and the serial number of it handy when you call.
There is also the option of using their Xfi App for activating modems;
Hi there, thank you so much for reaching out to us about connecting the new modem.
Could you please send our team a direct message with your full name and full address? Our team can most definitely take a further look at this issue. To send a "Peer to peer" ("Private") message:
Click "Sign In" if necessary
Click the "Peer to peer chat" icon
Click the "New message" (pencil and paper) icon
Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list which appears. The "Xfinity Support" graphic replaces the "To:" line
Type your message in the text area near the bottom of the window
Please create a new topic of your own here on this board detailing your issue. Thanks. The original poster has not returned. 4-month-old dead thread is now being closed.
EG
Expert
•
112.9K Messages
3 years ago
Connect it to the coax line and power it up. Let it fully sync up with the system, and check that the front / top panel indicator light(s) are steadily lit.
Then connect a computer to it and open up a browser. You *may* see their *Walled Garden* modem self registration page. If so, follow the screen prompts. Have your mobile telephone number, your Xfinity username and password, or the account number and telephone number associated with your Comcast account handy.
If not, try calling 1-855-652-3446. That is their device activation line.
If that doesn't work for you, you can call 1-800-comcast and tell a rep that you would like to have a new modem provisioned for service. Have the RF / CM / HFC MAC address and the serial number of it handy when you call.
There is also the option of using their Xfi App for activating modems;
https://register.be.xfinity.com/activate?channel=dotcom). &linkId=86346922
https://www.xfinity.com/support/articles/how-to-activate-your-self-install-devices? linkId=137017738
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XfinityRoberto
Official Employee
•
1.9K Messages
3 years ago
Hi there, thank you so much for reaching out to us about connecting the new modem.
Could you please send our team a direct message with your full name and full address? Our team can most definitely take a further look at this issue. To send a "Peer to peer" ("Private") message:
Click "Sign In" if necessary
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0
EG
Expert
•
112.9K Messages
3 years ago
@user_dcaaf1
Please create a new topic of your own here on this board detailing your issue. Thanks. The original poster has not returned. 4-month-old dead thread is now being closed.
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