On 01/11/2012, at 4:56 PM, David Griffith <dgriffi at cs.csubak.edu> wrote:
When I played with this Mac last year, the noise
problem wasn't present. Now that it has been running for a couple hours, the
screeching is gone. I suppose a recapping of the power supply and monitor would be a good
idea anyhow.
I would be inclined to check for ripple on the power supply lines first, if it's ok
then the problem could be on the logic board.
Chris