Re: fc 18 kernel not installed
Try "yum distro-sync". F17 & F18 have tthe same latest kernel, except for the fc17 and f18 in their names, so, it doesn't get upgraded. Executing yum distro-sync will fix it, hopefully.
Registered Linux User #348347
Have you been seduced by siduction? http://siduction.org/index.php
Running Fedora 17/18, siduction and openSUSE Tumbleweed with KDE