My ISP is Comcast, in the middle Tennessee area.
Some time ago I began to get sporadic connections -- would not be able to get to the internet for a couple of hours, then could. Finally got a service tech to come out. He first said the cable modem had gone bad, and replaced it. But the new one 'won't synch up', so he went through a couple of more, then decided it must be the line. Put a test instrument on it, and said the signal was "too hot." Called another tech out to go up the pole. They futzed around some more, an finally said they'd come back the next morning. (This was getting into the evening on Friday, and they were way over on their shift.)
Well, as you can guess, they never came back. I've not had any service interruptions since, BUT ...... ever since that visit, the 'data' LED on the modem is consantly flashing at a very high rate. Even when the computer is turned off. (This is a Teradyne modem, with the LED's labeld 'Power', 'Cable', 'PC', 'Data', and 'Test'. I'm presuming the Power, Cable, and PC are exactly what one would expect, and the Data and Test are really Send and Receive.
I've not called Comcast, because I *DO* have service, but it still seems that something "just ain't right."
Thoughts?