please help sound card/xp problems

I cannot figure out what is wrong with my sound card for xp2, everything says working properly, no conflicts, i think all neccessarry drivers downloaded for everything and it wont pick it up.

OS: Windows XP professional with Sp2
DirectX: 9.0
Motherboard:
CPU Type: AMD Athlon-PECM, 700 MHz (7 x 100)
Motherboard Name: Shuttle AI61 (5 PCI, 1AGP, 3DImm)
Motherboard Chipset: AMD-750 Irongate
Bios Type: Award Modular
Motherboard ID: 01/04/2002-AMD-75X-W977-6A6S2H29C-00

this is my sound card (Seal 4 channel 32 bit)
Device Description C-Media CMI8738/C3DX Audio Device