Shortly after I posted the last message -- about an hour or so ago -- the fan started working properly again, and it has been working ever since like a champ, perfectly. I knew all of you are Geniuses, and that I only needed to ask. :-) However, if the low-level whirling sound recurs, any suggestions? Thanks. Tim Naegele www.naegele.com -------------- next part -------------- An HTML attachment was scrubbed... URL: http://listserver.themacintoshguy.com/pipermail/titanium/attachments/20070224/68dd340b/attachment.html