[AlexFirth91]

Have windows vista on partition on my mac book pro the older version but windows is deactvated how can i resinstall visa wont boot up my setup disc

[halo200]

Try opening Bootcamp Assistant in OSX and removing the partition (restore to single partition) and then re-creating the partition and then put your setup disk in for Vista when it tells you and cick continue and you should be good do go.