Dan, One more off-the-wall idea: A stuck key on the keyboard? When the key buffer fills up, each additional press of any key will cause a 'beep'. Rapid 'beep's may be your buzz sound. Paul Jones [log in to unmask] At 10:44 PM 2/24/2006 -0500, you wrote: >Dean - Thanks for the tip but I disabled the cpu fan and still got the noise. I have disabled every movable part that I can think of except for the cpu. That's why I suspect that that's the source of the noise altho it doesn't seem logical to me. > >Dan Paul Jones [log in to unmask] The NOSPIN Group has added a new feature on our website, web based bulletinboard for questions and answers: Visit our sister website at http://nospin.com