Upgrade from FC14 to FC16 using preupgrade
My preupgrade system was a dual boot (linux/win7) x86_64 system with a couple of hardware RAID arrays running FC14 with grub as the bootloader. Graphics hardware is fairly modern and should not by itself pose a problem for Gnome3. There are separate partitions for /home, /boot as well as a couple of others. I mostly relied on the Fedora Project preupgrade Wiki . Used Software Update to update to latest FC14. Backed up /home , /etc , and some of /var to an external drive. sudo yum install preupgrade su; preupgrade (choose FC16 Verne as the upgrade dest) ---At this point everything seemed to go well as many new packages were downloaded etc. but significantly there was no /boot/upgrade directory created and /boot/grub/menu.lst did not have an entry for the upgrade kernel. Ran preupgrade again --- now things are good. Reboot and boot into the upgrade kernel -- this takes a while as more stuff gets downloaded and the system is modified to support the new distro. P...