I too had a similar problem after an upgrade.<br>This is what i did <a href="http://blog.dipinkrishna.info/2009/06/blank-screen-after-boot-process-in.html">http://blog.dipinkrishna.info/2009/06/blank-screen-after-boot-process-in.html</a><br>

<br>Regards,<br clear="all">Dipin Krishna<br>
<br><br>