i got my audigy se working this way
A quick check in the bios, and make sure that the onboard audio is disabled.
Just in case this is the
driver you need,
Creative Sound Blaster audio driver 1.04.0090
After downloading use something like Winrar to extract the downloaded file. Once extracted open Device Manager, go to the multimedia device, right click on select "Update
driver". Then,
1. select Browse my computer
2. select "Let me pick'
3. click on "have disk"
4. click on Browse and find the extracted folder and point it to the folder that contains p17.inf, will look like this,
SB24_PCDRV_LB_1_04_0090\
Drivers\vista