I recently got Comcast Internet. If I ever want to upgrade my P.C. or switch network adapters, can I simply unplug the modem and put it into the new network adapter? Do I need to contact Comcast or do most cable modems allow that kind of switching easily?

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Originally Posted by mekran12

I recently got Comcast Internet. If I ever want to upgrade my P.C. or switch network adapters, can I simply unplug the modem and put it into the new network adapter? Do I need to contact Comcast or do most cable modems allow that kind of switching easily?

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Just replace the adapter. Ethernet is standard. The cable carrier doesn't know or care what you plug their modem into. You can connect it to a PC, a MAC, a Linux machine, a game console or a router. Their concern stops at the modem.