Sound isn't working maybe missing driver? please Help!!!

[teaserteas]

A friend of mine gave me this computer it's working perfect, however there's no sound
can anyone please help me to fix this??

the specs of this pc:

Operating System System Model
Windows XP Professional Service Pack 2 (build 2600) Paradigit MS-6526
Enclosure Type: Desktop
Processor a Main Circuit Board b
1,70 gigahertz Intel Celeron
8 kilobyte primary memory cache
128 kilobyte secondary memory cache Board: MICRO-STAR INTERNATIONAL CO., LTD MS-6526
Bus Clock: 100 megahertz
BIOS: Award Software International, Inc. 6.00 PG 10/22/2002
Drives Memory Modules c,d
290,05 Gigabytes Usable Hard Drive Capacity
178,12 Gigabytes Hard Drive Free Space

HL-DT-ST CD-ROM GCR-8520B
HL-DT-ST DVD-RAM GSA-H55N [CD-ROM drive]
3.5" format removeable media [Floppy drive]

Seagate FreeAgentDesktop USB Device [Hard drive] (250,06 GB) -- drive 1
WDC WD400BB-75DEA0 [Hard drive] (40,00 GB) -- drive 0, s/n WD-WMAD14493655, rev 05.03E05, SMART Status: Healthy 504 Megabytes Installed Memory

Slot 'DIMM1' has 256 MB
Slot 'DIMM2' has 256 MB
Local Drive Volumes

c: (NTFS on drive 0) 20,97 GB 13,59 GB free
d: (FAT32 on drive 0) 19,02 GB 18,37 GB free
g: (NTFS on drive 1) 250,06 GB 146,16 GB free

Network Drives
None detected
Users (mouse over user name for details) Printers
local user accounts last logon
Admin 6-3-2008 8:42:20 (admin)
local system accounts
Administrator 12-12-2007 21:38:53 (admin)
Guest 19-2-2008 16:58:35
HelpAssistant never
SUPPORT_388945a0 never


Marks a disabled account; Marks a locked account ****** series Printer on ********
Microsoft Office Document Image Writer Driver on Microsoft Document Imaging Writer Port:

Controllers Display
Standard floppy disk controller
Intel(R) 82801DB Ultra ATA Storage Controller - 24CB
Primary IDE Channel [Controller]
Secondary IDE Channel [Controller] Intel(R) 82845G/GL/GE/PE/GV Graphics Controller [Display adapter]
Philips 220WS [Monitor] (22,0"vis, s/n CU10743008000, oktober 2007)
Bus Adapters Multimedia
Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CD
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C2
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C4
Intel(R) 82801DB/DBM USB Universal Host Controller - 24C7
VIA Rev 5 or later USB Universal Host Controller (2x)
VIA USB Enhanced Host Controller MPU-401 Compatible MIDI Device
Standard Game Port


Thnx!