When my computer has been silent for awhile and a sound starts playing thru the speaker, I get this audible pop sound randomly from time to time. Does anyone know what the problem is? Not sure if I should return my mbp or wait to see if it's fixable thru a firmware update? Sigh, this is a BTO mbp too and I can't afford to be without it since I use it for work. I just got this thing not too long ago. Sigh! Everything was perfect until I start hearing these random popping noises thru my speakers.