Vista and 7 5.1 Audio X530 not working

Hello,

Im trying to use all five of my speakers Logitech x530 replaced wth x540 530 has no matrix running on standard Realtek driver in vista and in seven High definition audio device driver I used to be able to use all 5 plus sub now it only uses 2.1 on 5.1 enabled. In Zune Windows media player and quicktime only making it use 2.1. But when i go to sound it play thru all five..

How do i fix??