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<div>It seems as though that particular installation of OS X has an issue? Did you try a fresh OS X installation? I say zap the PRAM, and if that doesn't work, boot the system in single-user (is it still command-s in Leopard?) and run fsck -y to look for problems on the drive. And try a fresh installation if you haven't yet.</div><div><br></div><div>My Mac stopped booting Linux, strangely enough, and I've never found a solution to that one.</div><div><br></div><div>Eric W.</div><br><div><div>Am 11.12.2008 um 12:27 schrieb Mark Steele:</div><br class="Apple-interchange-newline"><blockquote type="cite">This is a dual 1.25GHz MDD G4 (I think it has FW800, not sure, how to tell???)<br>1.25 Gigs RAM.<br>Couple of HDs and two internal optical drives.<br><br>Problem: When booting into OS X (10.5.x) the machine locks up at the grey screen with the Apple logo.<br> Booting into the Hardware test disk (supplied with the machine) works fine and all tests pass, even letting<br>it loop overnight.<br>Booting, installing and running linux does work (but can be somewhat flakey) The ones I've tried are<br> Fedora 7(?), some version of Ubuntu (which doesn't seem to be supported with the latest version so<br>it is probably one back from that).<br><br>I've re-arraged the RAM chips (using the same slots as before) and the problem still exists. Any attempts<br> to boot into OS X fails. This machine has had the same hardware for several years and booted and worked<br>just fine, then one day it just locked up and wouldn't boot again.<br><br>Any ideas on what to try next??<br> Thanks,<br><font color="#888888"> -Mark</font><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">G4 mailing list</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="mailto:G4@listserver.themacintoshguy.com">G4@listserver.themacintoshguy.com</a></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><a href="http://listserver.themacintoshguy.com/mailman/listinfo/g4">http://listserver.themacintoshguy.com/mailman/listinfo/g4</a></div> </blockquote></div><br></body></html>