recreating the boot after formatting the windows partition

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http://forums.fedoraforum.org – Hello everyone, On my laptop there's Fedora and Windows XP. After too many problems with XP I've formatted the windows partition and reinstalled XP. Since that, I can't boot anymore on Fedora. This is a computer I'm using at work and I'm not the person who installed Fedora; I've just found 4 CD containing the program. With this, is it possible for me to recreate the boot? I would like to go and see if there are still some files I need to back-up and then update or reinstall Fedora. The version is Fedora 12...quite old, so I would also like to know if it is better to install F16 or F17 , t (HowTos)