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CM1100 and Mesh 6 system not working after power failure; all lights working fine
Greetings! - CM1100 modem and MR60 mesh router (2 satellites) installed June of 2021. Comcast is my ISP in the PNW and is relatively reliable historically. - Over last 4 years, I've had to power-cycle the modem and router roughly once every 2 months because the router's lights turn amber. One power-cycle of modem, router, and computer has always fixed this. - Power failure (perfectly clear night, no storm) late-evening Nov 13 for 3 hours then again for a minute 3 hours after it was back on. No info from power company why this happened, but the entire town was out. - 11/14 AM - no internet. All lights on modem and router were working as normal, so the lack of internet surprised me. Power-cycled 3 or 4 times, then powered everything down for a full hour and got it working after that. Worked fine for nearly 2 days. - 11/16 AM - no internet. Power-cycled multiple times (at least 5) over the course of 3 hours, with no luck. Noted in Windows troubleshooter a comment about swapping out cables. I swapped out the ethernet cable between the modem and router and got it working! Ordered 2 new ethernet cables to be delivered later that week. - 12/1 - no internet. I was traveling that day but noted my security cameras were all down. Sure enough, when I got home, all the lights looked fine but nothing worked. - 12/2 AM - swapped out both ethernet cables (to router and directly to desktop) - everything worked! - 12/7 AM - no internet. Power-cycled 4 times, including leaving everything off for 30 minutes. I have no more cables to swap out. I have detached all cables from both the modem and router and waited 1 hour, then re-attached. No luck. I'm understandably getting very frustrated with all of this. I am unable to access the modem via 198.168.100.1 - nothing loads at all in either Firefox or Chrome. (I'm currently using my work phone's hotspot so have perfectly functional internet on the desktop.) Likewise, the alternative site I found (10.0.0.1) brings up nothing. I have not updated router firmware in forever and seem to have no way to check what it is. I am worried this is the modem and not the router. In the past, when the router's lights turn amber, I have ethernet on the desktop via the dedicated cable. Now I have nothing, making me think it's the modem and not (just) the router. What I don't understand is why everything works for a time and then fails. Or why all the lights look perfectly fine yet there is no internet at all. Could this be related to the power failure, some sort of surge to the modem via either the power cable or the coax? Is it worth finding another coax cable to test? Pretty sure I don't have one so will need to go out and buy something. Or am I just done with these machines? I'd appreciate any info. I'm seriously considering going back to having Comcast provide equipment as much as that irks me. At least there is support that comes with that, and not just for 90 days (which is a joke, frankly). Carrie