SOURCE: Arris cable modem
try shutting of your computer then shutting off the modem, the modems have batteries you might have to remove them theres usally a panel on the bottom, in the back you should have a wire for comcast cable and an ethernet chord telephone too if you have everything. also your modem could be broken, i had the same problem
SOURCE: how is Arris Telephony Modem installed?
Hi taldrich6 - You have this listed under Arris CM450. Is that what you have?
SOURCE: how is Arris Telephony Modem installed?
The Arris Telephone modem is used to connect you to the Internet, as well as provide the VoIP connection for your phone service.
SOURCE: Arris cable modem
if the power light is flashing then the modem is on battery backup and internet is disabled. plug the power cord into the modem or find a working power outlet, you should be set after that.
Power light flashing=bad
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