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Forum Discussion
CM600 very slow download speeds - No splitters!
Hello all. I have a CM600 modem that over the last few months has been experiencing download speeds in the 1-5% range of what I am paying for from Comcast. I have called Comcast numerous times (it's a...
The CM modem is a modem not a router.
Remove the external router from the modem and connect a wired PC directly behind the modem. Power cycle the modem then test.
Be sure your using good quality RG6 coax cable up to the modem.
Check for any filter or barrel filter devices that might be attached to the back of the modem.