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I've had this problem for the last couple of months. When I try to reset my modem through my account, it will not work. I can however reset my TV Receiver through my account, just not my modem.
The only thing that I see is, Unable to Reset Internet Connection, We're sorry, we cannot reset your modem at this time. Contact Us Try Again. I get the same results when I choose try again and I've tried your automated reset through the phone and get the same "We're Unable to Reset your Modem". The symptoms that prompt me to reset are slow internet speeds, page loading etc... There have been many times I've called tech support and they tell me they can't even see my modem being online yet it is online but it would just be slow. There have been issues in my area for several years in which something happens every 3 to 6 months and Cox ends up having to send out the maintenance crews to track down the problems. When my service is slow or interrupted, the first thing I do is go to my account and check for outages. If there is an outage, I do nothing but wait, if no outage, I try resetting.
There is a splitter but it's inside a plastic box that Cox mounted to the outside of my house. I do have another splitter that I can try out but if it doesn't work I will contact you with the link you provided. Thank you
The issue is still there after trying a different splitter (exact same splitter installed by Cox) so I emailed you my info.