I recently bought Logitech z200 for my setup and it was working fine at first but than after the 2nd week it stopped transmitting noise it still has the green light like the power is on but no matter how much volume i raise it to it does'nt have audio i don't know what it is so can anybody help me please i'm trying to get into PC builds and all that so i don't know what to do i tried trouble shooting but that didn't work neither.