Ok we got our first TiVo last week. A brand new 40hr unit and it emitted a high pitched "whine" from the box (not through the TV speakers) that was audible even with the TV sound on. I was confident that it was not the fan but suspected is was the hard drive about to fail. We took it back to Best Buy and got a new one with out much hassle. The second unit does the exact same thing. I saw another posting on here about it possibly being a crossed wire or power strip issue but I took it and plugged it in to an outlet with nothing else on the same outlet (in another room) and it makes the same noise. The most annoying thing is that it does it 24/7 and any time you walk into the living room you hear it. So am I just getting faulty TiVos or is there something else I can try?