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Forum Discussion
Model CM1150V - slow internet speed
I am trying to find out if the modem is the problem or the line. Xfinity lsays it's the modem or a setting on the modem. My firmware version is V4.02.02 It shows upstream 34.37 dBmv and downstre...
are you testing directly wired to the modem?
Do you have a screen snip of the cable connections page and the logs?
if you have any splitters, amplifiers, or signal attenuators in line, remove them and test it. check the link for kinks, damage, loose/old/bad/cheap connectors