If this drive is formatted for NTFS Windows it will be read only on the Mac. Try NTFS-3G http://mac-free.com/download/NTFS-3G.html and see if that takes care of the problem.
Joe
If this drive is formatted for NTFS Windows it will be read only on the Mac. Try NTFS-3G http://mac-free.com/download/NTFS-3G.html and see if that takes care of the problem.
Joe