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Forum Discussion
CM700 switch from 100Mbs to 300Mbs Help
I just recently upgaded my Spectrum internet service speeds from 100Mbs to 400Mbs (Ultra). According to Spectrum, they are getting the 400 Mbs to the modems. I'm using a cable splitter, as I still ...
Connect a wired PC or laptop to the modem directly, power off the modem for 1 minute then back on then try speed testing.Be sure there are no coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Modems/m-p/1530376#M12853