WiFi works but Ethernet does not work
I just changed the ISP. I use the modem cable of the MRC, which is the same as one that uses Xfinity. I'm also using a Linkysys EA4500 router. I have not had any problems with setting up yesterday before they changed over this morning.
I have two iMacs (my wife and I). If the modem cable is directly connect to one of the two iMacs, the internet works fine. However, when the Linksys router is part of the configuration, the iMac to my wife can connect via the Ethernet port but my iMac won't. My iMac can connect via WiFi. However, he won't be able to connect if I use an Ethernet cable.
I have already reset the router to factory setting and restart the iMac and clear the PRAM, switched Ethernet cables. What happens here?
The problem you describe will occur when changing the device connected to a modem cable without having to reboot the cable modem. Cable modems that are not as routers will communicate with a single device and refuse to connect to what anyone else, until you cycle power.
Turn off your modem cable NCR and leave that it turned off. For reasons I don't understand (and will may not be not necessary), some cable ISPS also recommends disconnect physically their coaxial cable modem to perform a reset "full." During this time you can turn off the Linksys router also. Connect the iMacs to the router, either its LAN ports, via an Ethernet switch directly. It is not necessary to turn off Macs.
Wait a few seconds, then reconnect the cable to the modem if you disconnected and turn on both the modem and the router. It should work.
Tags: Mac
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