Computer stops working and I cannot get back online..I do the usual unplugging rebooting etc. finally I call tech support. Because the ethernet does not light up he says I need a new yellow cord...and there is an outage in San Diego...I notice when I plug the power into the modem it sparks both when I plug it in and remove it as he instructs me. This worries me. I'm thinking maybe the modem is bad. Just what I need a fire! He looks up the closest At&t store and tells me to go there and get a new yellow cord...I ask if they can check... read full review »