just purchase four more receivers, got model D12-100 don't really care much about models I don't need HD, but two of them are not working properly and have not try the other two, now I purchase this about 4 months ago, and din't check them at taht time, I buy this from directv.com, do I contatc them and ask to replace or I lose my money there. ???? what to do ?? thank in advance......
