That sounds possible. If that's the case, though, I think I'd rather have Apple deal with it. I didn't mind opening up my old Pismo and fiddling around. But my PBG4 seems a lot harder to tinker with. Jim On 23-Oct-05, at 3:22 PM, Williams' Mastering wrote: > Sounds more like a cooling fan to me. Any chance that something > could be > loose and caught in the fan cage? The frame of the fan could also > be loose > in its bracket allowing it to twist or torque when you lift the Mac. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://listserver.themacintoshguy.com/pipermail/powerbook/attachments/20051023/c05de032/attachment.html