okay someones hooking up another puter in the same household. the modem is needed to be shared between the currently used mac and the new puter in the house a pc. on the mac... in network port configurations there is only an untitled name and internal modem name no "built in ethernet" name. how does one get that to show back up?... since thats what is needed. the party un plugged the modem from the mac and they are not able to hook up to the internet anymore. something happened. any advice or help would be appreciated.