Today i've decided to use pre-upgrade to make the move from F15 to F16. The pre-upgrade program finishes downloading it's files fine, and apparently applies correctly. However, upon reboot, choosing "upgrade to F16 (Verne)" in the boot options list, I am immediately met with a black screen and a blinking cursor. It does not seem to respond to any commands.
Things to note:
I do have sufficient room in /boot for pre-upgrade to work, over 200mb.
I am booting two hard disk with Grub as my bootloader, one disk Win7, the other F15.
I have viewed the pre-upgrade wiki page; do not believe im missing anything.
All packages were upgraded before running preupgrade.