They are really suck on customer service. I had this same issue at the end of last year, asked for RMA on January 2013, and they got it in the first week, and then it took them about a month to replace it. And the customer support are overseas, India, and everyone will give you his/her word about solving the problem, ecpeically the supervisors, big fat liars. Oh boy, it was a really pain till I got it replaced.
"It's a basic truth of the human condition that everybody lies. The only variable is about what."