No login screen after F18 update

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http://forums.fedoraforum.org – Hi all. Updated F18 yesterday and it said a core update to Fedora 3.6.6-3.fc18.i686 so I rebooted after the update had continued. It booted to the new core and the 'fedora progress bar' thing came on as normal and then it flashed. However, instead of a login screen I got the following message: dracut-cmdline[57] : warning: kernel command line option 'KEYTABLE' is deprecated. ap' instead dracut-cmdline[57] : /etc/locale.conf: Line 1 : locale.LANG=en_US.UTF-8 : command n [OK] Started sendmail mail transport client [FAILED] Failed to start Wait for Plymouth Boot screen to (HowTos)