(And, while you probably can boot into the system, various things about it will be broken - it won't have suitable language packs installed, it will still have the installer itself and various other things installed, the /cdrom entry in sources.list might be wrong, and so on. If it were my system I'd reinstall it.)
(And, while you probably can boot into the system, various things about it will be broken - it won't have suitable language packs installed, it will still have the installer itself and various other things installed, the /cdrom entry in sources.list might be wrong, and so on. If it were my system I'd reinstall it.)