I've tried everything.  It was running perfectly, however, had to restore my computer (macbook) to factory settings and when I download the updater it says IP address: unavailable and "no" in red letters when using openDNS.

I know this question has been asked many times, but I'm new to this and it's a tad confusing.  I have to configure my computer, since my AT&T 2wire router is not compatible.  I thought I had all my settings correct, however, when I google certain sea...