Need audio driver

Hello,

I need audio driver after intalling windpows xp . I already install a the audio drivers for this motherboard but nothing works. I could see that is install but no sound comes out. My computer's configuration is:

Operating System
System Model
Windows XP Professional Service Pack 3 (build 2600) Hewlett-Packard HP d530 CMT(DG061A)
System Serial Number: MXJ40502N8
Asset Tag: MXJ40502N8
Chassis Serial Number: MXJ40502N8
Enclosure Type: Tower
Processor a Main Circuit Board b
2,40 gigahertz Intel Pentium 4
16 kilobyte primary memory cache
1024 kilobyte secondary memory cache
Board: Hewlett-Packard 085Ch
Serial Number: MXJ40502N8
Bus Clock: 533 megahertz
BIOS: Hewlett-Packard 786B2 v1.11 07/10/2003

I will really appreciate,

Thanks