Mi pc no tiene sonido me pueden ayudar

Hola, me formatearon mi pc pero ahora no se escucha nada, ya intente en bajar varios archivos pero nada, estoy desesperada es la compu que uso para ayudar a mi hija en la esc.
este es el reporte de everest
porfa alguien que me ayude

[ EVEREST Home Edition (c) 2003-2005 Lavalys, Inc. ]------------------------------------------------------------

Version EVEREST v2.20.405
Homepage http://www.lavalys.com/
Report Type Report Wizard
Computer TOCA-COMPU
Generator Omar
Operating System Microsoft Windows XP Professional 5.1.2600 (WinXP Retail)
Date 2010-09-08
Time 10:27


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

Computer:
Operating System Microsoft Windows XP Professional
OS Service Pack Service Pack 2
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name TOCA-COMPU
User Name Omar

Motherboard:
CPU Type Intel Celeron, 2500 MHz (25 x 100)
Motherboard Name TriGem Glendale
Motherboard Chipset Intel Brookdale-G i845GL
System Memory 246 MB (PC2100 DDR SDRAM)
BIOS Type Phoenix (07/16/03)
Communication Port Communications Port (COM1)
Communication Port ECP Printer Port (LPT1)

Display:
Video Adapter Intel(R) 82845G/GL/GE/PE/GV Graphics Controller (64 MB)
3D Accelerator Intel Extreme Graphics

Multimedia:
Audio Adapter Intel 82801DB ICH4 - AC'97 Audio Controller [B-0]

Storage:
IDE Controller Intel(R) 82801DB Ultra ATA Storage Controller - 24CB
Floppy Drive Floppy disk drive
Disk Drive SAMSUNG SV0802N (80 GB, 5400 RPM, Ultra-ATA/133)
Optical Drive LITE-ON COMBO LTC-48161H (DVD:16x, CD:48x/24x/48x DVD-ROM/CD-RW)
SMART Hard Disks Status OK

Partitions:
C: (NTFS) 76338 MB (62267 MB free)

Input:
Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse HID-compliant mouse

Network:
Network Adapter Realtek RTL8139 Family PCI Fast Ethernet NIC (192.168.1.64)

Peripherals:
USB1 Controller Intel 82801DB ICH4 - USB Controller [B-0]
USB1 Controller Intel 82801DB ICH4 - USB Controller [B-0]
USB1 Controller Intel 82801DB ICH4 - USB Controller [B-0]
USB2 Controller Intel 82801DB ICH4 - Enhanced USB2 Controller [B-0]
USB Device Generic USB Hub
USB Device USB Human Interface Device


--------[ DMI ]---------------------------------------------------------------------------------------------------------

[ BIOS ]

BIOS Properties:
Version 3.21
Release Date 07/16/2003
Size 512 KB
Boot Devices Floppy Disk, Hard Disk
Capabilities Flash BIOS, Shadow BIOS, BBS, Smart Battery
Supported Standards DMI, APM, ESCD, PnP
Expansion Capabilities ISA, PCI, PCMCIA, USB

[ System ]

System Properties:
Manufacturer Compaq Presario 061
Product DF214A-ABA S4100NX NA210
Version 0n41411RE101GLEND10
Serial Number MXM33404PX
Universal Unique ID C05EC47B-81D2D711-8DCBCEE9-46051E10
Wake-Up Type Power Switch

[ Motherboard ]

Motherboard Properties:
Manufacturer TriGem Computer Inc.
Product Glendale motherboard
Version None
Serial Number None

[ Chassis ]