Boot off the Windows 7 disc. Select 'Custom install'. When it asks you where to install to, hit 'Advanced', then delete all the partitions and make a new one. Install it there.
Note that this will wipe all your stuff; have a backup.
Boot off the Windows 7 disc. Select 'Custom install'. When it asks you where to install to, hit 'Advanced', then delete all the partitions and make a new one. Install it there.
Note that this will wipe all your stuff; have a backup.