<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">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.<DIV><BR class="khtml-block-placeholder"></DIV><DIV>Jim</DIV><DIV><BR><DIV><DIV>On 23-Oct-05, at 3:22 PM, Williams' Mastering wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Sounds more like a cooling fan to me. Any chance that something could be</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">loose and caught in the fan cage? The frame of the fan could also be loose</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">in its bracket allowing it to twist or torque when you lift the Mac.</FONT></P> </BLOCKQUOTE></DIV><BR></DIV></BODY></HTML>