I just got a macbook air and it is good. I opened the box, set the computer up and went on ichat. I have been on for about 20 minutes and alot of people tryed to video chat me but it said that an answer was not recived. I tryed alot of diffrernt people to video and none worked. so then i got invited to a 2 person chat and it work but there voices were laggy and i couldnt see them so that really didnt work. Is their anything I can do, or is my computer just new and it need time to warm up?