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Forum Discussion
cm700 modem did not make the change when I upgraded to 400mbps charter
Hi, first post so be patient. Today I just upgraded charter internet speeds from 200mbps to 400mbps.. Upload took just fine I'm now getting around 21mbps from the 12 I had previously. However, downlo...
Had a power OFF of the modem for 1 minutes then back on been performed?
Try doing a factory reset with the coax cable disconnected. Then power OFF, plug in the coax cable and test with a wired PC connected directly with the modem.
Is there a external router connected between the modem and router.
Test with a different PC to compare directly with the modem.
thank you so much for the reply and suggestions. I did do a factory reset of the modem but not with coax disconnected. I will try that. I did power off Modem and wait and restart, that did not help. I do use a nighthawk r7000 along with the cm700 modem. I will try the things you suggested. Where I'm a bit confused... Are you saying to take the ethernet cable that is plugged into the modem and into the router, take the one end out of the router and plug it directly into my laptop? Again, thank you for responding and for the suggestions.. Someone in the IT dept this morning at Charter said that my modem could not handle the 400mbps download but someone else yesterday said it should, no problem.. Support.. SMH!!
Yes, remove the R7000 router from the mix and plug the PC directly in the the back of the CM modem. Check speeds here.
Hi again, yeah I felt kind of dumb but figured that's what you meant... Soooooo I hooked my laptop up directly to the modem and got speeds of 385mbps down and 21mbps up... So modem must be fine right? I hooked everything back up like it was and I'm still getting 175mbps down but getting the correct upload of 21mbps or so.. How do I narrow down what could be keeping me from getting that 400mbps all the way to my laptop? The laptop is about 6ft from the router/modem and I have an external monitor hooked into my laptop that I use for gaming.. The ethernet cable that I have hooked up from the router to the laptop is cat 6. Any other troubleshooting Ideas I will be happy to try. I really appreciate your help, thank you!
Seems like the R router is the bottle neck if your getting to spec speeds directly from the modem to the PC.
I would factory reset the R series router and setup from scratch with a wired PC connected there. Besure to not enable any QoS, Traffic Meter or Access controls after setting it up. Just use default settings and change only the SSID name and PW. You might leave the SSID name and PW as default while you wire speed test with the router with out any interference from wifi devices.
Might post about this over on the Nighthawk forum as well for this model router. Seen various issue with the 7000 and different FWs. https://community.netgear.com/t5/Nighthawk-WiFi-Routers/bd-p/home-wifi-routers-nighthawk