Connect an ethernet cable to the internet port and the other end of the ethernet cable to port 1. If they fail to connect you can quickly troubleshoot your network.
D Link Support
Modem wont connect to router. Router wont connect connect the computer to the ethernet port of the router do not connect the modem yet access 19216811 using internet browser like safari for mac use admin for the password do you have a username and password from att. If after resetting the router by. If my guess is right the fix is simply to disable the dhcp server in the e4200. Router wont connect to modem 1. They should be both turning on. I have an older netgear router that will connect to modem fine.
If these are fine it is possible that the software in the router has experienced an error of some kind. The crossover cable would connect the modem to the router through the lan port but not through the wan port. Unplug the router for about 30 seconds plug it back in and allow it another 30 seconds to completely boot. Check the cables at the router and the computer for a proper connection. It could be worse. Machines connected to the e4200 wireless router tend to get assigned dhcp addresses from the e4200 since it responds fastest leaving them with no internet access because the dpc3825 is the router managing your internet connection.
If you still cannot connect or have slow internet connection you may be experiencing a network issue instead of an individual device issue. The crossover cable or a straight cable work fine if it runs between the router and the computer but not if it runs between the new modem and the router. My orbi will not connect to the internet. Coz if you have choose pppoe for internet connection. Router wont connect to modem i recently moved and recieved a new modem from specrtrum. If not try another cable and check the leds again.
Test this by attempting to connect other devices. Check both internet and lan 1 leds.
Gallery of Modem Wont Connect To Router
