Just change this line, it will display in admin
register_taxonomy( 'Hardware-Creator', array( 'Computer-Hardware' ), $args );
to
register_taxonomy( 'Hardware-Creator', array( 'computer-hardware' ), $args );
Just change this line, it will display in admin
register_taxonomy( 'Hardware-Creator', array( 'Computer-Hardware' ), $args );
to
register_taxonomy( 'Hardware-Creator', array( 'computer-hardware' ), $args );