need help with sound

sorry if this is a spam but i dont got sound on my computer because i lost my sound disk.

here info on my pc ty

Version EVEREST v2.20.405
Homepage http://www.lavalys.com/
Report Type Report Wizard
Computer ILLUMINA-C2A31E
Generator Toe
Operating System Microsoft Windows XP Home Edition 5.1.2600 (WinXP Retail)
Date 2009-01-25
Time 20:01

--------[ Summary ]-----------------------------------------------------------------------------------------------------

Computer:
Operating System Microsoft Windows XP Home Edition
OS Service Pack Service Pack 2
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name ILLUMINA-C2A31E
User Name Toe

Motherboard:
CPU Type Unknown, 1666 MHz (10 x 167) 2400+
Motherboard Name ECS K7VTA3 v6 (5 PCI, 1 AGP, 1 CNR, 2 DDR DIMM, Audio, LAN)
Motherboard Chipset VIA VT8367 Apollo KT333
System Memory 512 MB (PC2700 DDR SDRAM)
BIOS Type Award (07/07/04)
Communication Port Communications Port (COM1)
Communication Port ECP Printer Port (LPT1)

Display:
Video Adapter NVIDIA GeForce FX 5200 (Microsoft Corporation) (128 MB)
3D Accelerator nVIDIA GeForce FX 5200
Monitor ViewSonic E70-5 [17" CRT] (21P004808999)

Multimedia:
Audio Adapter VIA AC'97 Enhanced Audio Controller

Storage:
IDE Controller VIA Bus Master IDE Controller
Disk Drive WDC WD1600JB-00GVA0 (149 GB, IDE)
Optical Drive DVD-16X DVD-ROM BDV316C (16x/48x DVD-ROM)
Optical Drive VOM-12E48X
SMART Hard Disks Status OK

Partitions:
C: (NTFS) 152617 MB (149246 MB free)

Input:
Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse Microsoft USB Wheel Mouse Optical

Network:
Network Adapter VIA PCI 10/100Mb Fast Ethernet Adapter (192.168.1.47)

Peripherals:
USB1 Controller VIA VT83C572 PCI-USB Controller
USB1 Controller VIA VT83C572 PCI-USB Controller
USB1 Controller VIA VT83C572 PCI-USB Controller
USB2 Controller VIA USB 2.0 Enhanced Host Controller
USB Device Microsoft USB Wheel Mouse Optical

thanks you so much wish u guy can help me