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Forum Discussion
CM500 - Very Low Upload Speed
Hello, A few months ago, I installed the CM500 modem to go with the R7000 Nighthawk router I've had for a few months longer. We've had a lot of internet troubles, so we assumed it was our Xfinity ...
Thanks for the answer.
I contacted the ISP earlier today. They checked the line quality to the modem, said it was fine, and then sent me over here. We do not have any line splitters, and I have rebooted the modem a few times.
As for the coax cable, how do I know if the one that I currently have is of good quality? It's a bit old, so I wouldn't doubt that as an issue.
Try a different modem to see if the problem continues or not, if it does then the problem is either with the line or the ISP. If it doesn't, then the modem is the problem and may need to be replaced.