I just fresh installed my Mac with Snow Leopard - I copied back the iTunes library but my Apple TV now see's it as a new machine.
The problem now is that I've long since removed the physical files for TV shows I recorded, but they remain in my Apple TV because they're still 'in the library'. If I disconnect the Apple TV and reconnect it to the new computer profile, all that will be lost and I can't sync it back.
Is there anyway to make my fresh install appear to be the old install my Apple TV was connected to? I have complete backups of my entire disk prior to reinstalling 10.6 so if a file is needed then I hopefully already have it...