Can't see Dante virtual soundcard in nuendo live

hello all and sorry for poor english
i’m trying to use nuendo live on my brand new mac mini Mid 2011 :smiley: ,and i 've some problem
in the setting i can see only my integrated device and dante virtual soundcard (DVS) don’t appeard in the device section.
before you asked me , DVS is correctly installed activated started and i choose DVS as Input and output in the Mac os preference .if someone help me he could have my eternal gratitude :smiley:

ok i found the litle arrow beside the pilote asio and … :blush:
so i keep my eternal gratitude