<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Tut,<DIV>IMHO, I think you should let an Apple authorized service person replace that drive, especially when it's still under warranty. But in case you decide to tackle the job yourself, here is the manual for that job. Go to this address:</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><FONT class="Apple-style-span" color="#0E10FF"><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN><A href="http://www.apple.com/support/manuals/imac/">http://www.apple.com/support/manuals/imac/</A></FONT></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>and you will find this document about halfway down the page:</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><FONT class="Apple-style-span" color="#0B0CFF"><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>iMac G5 20-inch Optical Drive ( CD/DVD) Replacement Instructions (Do It Yourself Manual)</FONT></DIV><DIV><FONT class="Apple-style-span" color="#0B0CFF"><BR class="khtml-block-placeholder"></FONT></DIV><DIV><FONT class="Apple-style-span" color="#000000">Happy T'giving!<BR></FONT><DIV></DIV></DIV><DIV><FONT class="Apple-style-span" color="#000000">John</FONT></DIV></BODY></HTML>