external usb sound card problems - VISTA

[.:Tom-:.]

Hi, i have a dell optiplex 745

Specs;
3.5GHz Dual core
3GiG Ram ddr2 - 1066MHz
8800 GTS - 640MB
1TB HDD
Vista business - SP1
Other;
Creative Audigy 2 nx - 24BIT >> Philips 5.1
Logitech MX 5500 Keyboard and mouse

Ok here is my problem...
My on-board sound do not have 5.1,
I have a Creative Audigy 2 nx and this will not work with vista its all installed and says it working but no sound comes out...

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Its says its playing but still no sound i have tryed with some speakers but still no luck

Can anyone help me??

Thanks Tom!

[.z4.]

Um, i have same problem coz this is my new account LOL
i have it 2 times on same types of PC'S

Thanks
Tom!
.Z4.
.:tom-:.