Emergencia no tengo sonido pcchip m810l v.90m

Hola,
ayuden me por favor estoy desesperado no tengo sonido y ya esta intalado los controladores y haci no suena nada reproduce la musica pero no suena es pcchip m810L v 9.0m CPU AMD Duron CPU onboard





FSB 200 MHz





Chipset SIS730S





VGA Embedded 3D Graphics w/ 64M share memory





Memory 256M PC133 SDRAM on board

1 x 168-pin DIMM sockets support 3.3V PC133 SDRAMs

Maximum: 768M





Expansion Slots 1 x AGP 4X

2 x PCI

1 x AMR





LAN VIA VT6103 10/100Mbps Fast Ethernet PHY





Audio C-Media CMI9738 4-channel audio Codec

Compliant with AC97 2.2 specification





IDE 2 x UltraDMA 100/66





Back Panel I/O Ports 1 x PS/2 keyboard

1 x PS/2 mouse

2 x USB 1.1 Ports

1 x RJ 45 Port

1 x Parallel Port

1 x Serial Port

1 x VGA port

1 x Game/MIDI port

1 x Audio I/O (Line-in, Line-out and Mic-in)





Internal I/O Connectors & Headers 20-pin ATX power supply connector

1 x Floppy connector-support 360K~2.88M Byte, 3 Mode FDDs or LS120

1 x IrDA for SIR header

1 x USB header support additional 2 USB1.1 ports

1 x Front panel switch/LED header

1 x Speaker header

CPU / CHS FAN headers

1 x CD in/AUX in header

1 x Front panel audio header





System BIOS AMI 2Mb Flash ROM

Supports Plug and Play 1.0A, APM 1.2, Multi Boot, DMI

Full support for ACPI revision 1.0 specification





Form Factor Micro-ATX form factor, 244x244mm
ayudeme por favor estoy sufriendo gracias