Hello, Try going into the boot menu and selecting either the newest kernel with (recovery mode) or the next newest kernel and see what it gives you. I've had issues with acpi and the new kernel, but going back a version solved it until they release a new version. -Ross <div class="gmail_quote">On Wed, Nov 12, 2008 at 16:45, Åge Vårdal <<a href="mailto:varage@gmail.com">varage@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Can someone help me with this error that occured after trying to upgrade my xubuntu laptop yesterday evening:Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0) -- Åge :-) Åge Vårdal N-4163 Talgje Mob.: 0047 41 27 41 63 <a href="http://www.fe-wo.no" target="_blank">www.fe-wo.no</a> <a href="http://talgjenytt.blogspot.com/" target="_blank">http://talgjenytt.blogspot.com/</a> <a href="http://ghananyttfraage.blogspot.com/" target="_blank">http://ghananyttfraage.blogspot.com/</a> -- xubuntu-users mailing list <a href="mailto:xubuntu-users@lists.ubuntu.com">xubuntu-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/xubuntu-users" target="_blank">https://lists.ubuntu.com/mailman/listinfo/xubuntu-users</a> </blockquote></div>