Driver d sonido para windows 7, pcchips A31G

Hola, m gustaria saber como le pongo audio a mi pc m sale ningun dispositivo d audio de salida desd q m cambiaron el windows xp por el windows 7 aqui tienen la informacion d mi pcles voy a agradecer mucho

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System Information
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Time of this report: 9/10/2010, 15:34:45
Machine name: EDYTURUTURU-PC
Operating System: Windows 7 Ultimate 32-bit (6.1, Build 7600) (7600.win7_gdr.100226-1909)
Language: Spanish (Regional Setting: Spanish)
System Manufacturer: PCCHIPS
System Model: A31G
BIOS: Default System BIOS
Processor: AMD Sempron(tm) Processor 2800+, ~1.6GHz
Memory: 512MB RAM
Available OS Memory: 480MB RAM
Page File: 522MB used, 980MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 32bit Unicode

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DxDiag Notes
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Display Tab 1: No problems found.
Sound Tab 1: No sound card was found. If one is expected, you should install a sound driver provided by the hardware manufacturer.
Input Tab: No problems found.

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DirectX Debug Levels
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Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)

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Display Devices
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Card name: Tarjeta gráfica VGA estándar
Manufacturer: (Tipos de pantalla estándar)
Chip type: SiS
DAC type: 6 bit
Device Key: Enum\PCI\VEN_1039&DEV_6330&SUBSYS_63301039&REV_03
Display Memory: n/a
Dedicated Memory: n/a
Shared Memory: n/a
Current Mode: 1024 x 768 (32 bit) (1Hz)
Monitor Name: Monitor PnP genérico
Monitor Model:
Monitor Id:
Native Mode:
Output Type:
Driver Name: vga
Driver File Version: 6.01.7600.16385 (Spanish)
Driver Version: 6.1.7600.16385
DDI Version: unknown
Driver Model: desconocido
Driver Attributes: Final Retail
Driver Date/Size: 7/13/2009 18:55:51, 10752 bytes
WHQL Logo'd: n/a
WHQL Date Stamp: n/a
Device Identifier: {D7B71ED9-2070-11CF-8833-805EADC2CB35}
Vendor ID: 0x1039
Device ID: 0x6330
SubSys ID: 0x63301039
Revision ID: 0x0003
Driver Strong Name: Unknown
Rank Of Driver: Unknown
Video Accel:
Deinterlace Caps: n/a
D3D9 Overlay: n/a
DXVA-HD: n/a
DDraw Status: Not Available
D3D Status: Not Available
AGP Status: Not Available

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Sound Devices
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Description:
Default Sound Playback: No
Default Voice Playback: No
Hardware ID:
Manufacturer ID:
Product ID:
Type:
Driver Name:
Driver Version:
Driver Attributes:
WHQL Logo'd:
Date and Size:
Other Files:
Driver Provider:
HW Accel Level: Emulation Only
Cap Flags: 0x0
Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
Static/Strm HW 3D Bufs: 0, 0
HW Memory: 0
Voice Management: No
EAX(tm) 2.0 Listen/Src: No, No
I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No

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Sound Capture Devices
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DirectInput Devices
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Device Name: Mouse
Attached: 1
Controller ID: n/a
Vendor/Product ID: n/a
FF Driver: n/a

Device Name: Teclado
Attached: 1
Controller ID: n/a
Vendor/Product ID: n/a
FF Driver: n/a

Poll w/ Interrupt: No