I got this new 1tb hard drive(} put it in today and it seems to make an Oscillating hum. it makes a loud hum that then gets soft, then goes back to loud. this cycle (that is about 3 seconds long) repeats its self over and.... if it made a solid hum i would think it was normal, but this???
NOTE:having just watched this on my laptop i realized if you dont have normal speakers,
or if your speakers dont have enough bass you might not be able to hear it.