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Forum Discussion
CM400 and COMCAST Netgear useless
does not work with comcast....cables ok router ok laptop ok........netgear no help
Carefully follow the process documented -> How do I activate my Internet service with Comcast XFINITY?
By rule of thumb, connect a computer direct to the modem Ethernet port. The modem with it's unknonw MAC address will connect to Comcast so called "walled garden" network, where you should be able to reach the registration URL for registering the CM400 to your account.
Regards,
-Kurt
