> > My comp, which is 3 years old, has recently developed a low, rumbling
> noise.
> > It is not constant, nor is it predictable - it's intermittent. The noise, I
> > have determined, is not associated with either the cd-rom drive, or the A:\
> > drive.  I assume the only other sources would be either the fan
> bearings, or
> > (gasp), hard drive bearings. I suppose removing and cleaning the fan motor
> > would be the logical way to rule out the fan. Any thoughts - advice? Need
> > more info? Thanks in advance.

Another possibility that I have come across is the case vibrating.  Hold
the case
tightly to see if the noise stops.  Sometimes a loose screw will allow the
case
enough room to vibrate in time with the hard drives and this can cause a
low rumble
type of sound.

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