NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
CM1000 SYNC timing Synchronization failure
I have had a CM1000 with COX preferred 150 Mbps for about two years with no issues. Recently all of the coax in my house to the street was replaced after my modem was not able to establish a connectio...
Have the ISP check the signal and line quality UP to the modem. Be sure the ISP provisions the modem correctly.
Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
Be sure to power OFF the modem for 1 minute them back ON.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853