"Mistress" wrote in message
. ..

| I had such high hopes when I saw ANC demonstrated with a wood chipper
| several years ago. I thought this technology was "right around the
corner."
|
| My fondest dream -- I want one inside my PC case. The fan noise is making
| me crazy, hour-after-hour, day-after-day.

Replace the fan. There are some which can vary the speed by temperature. And
watch for the fan on the processor (if you have one). Some of those can
sound like a locomotive wreck.

N