Drivers de video y audio: Dell Optiplex GX260

Hola,
me gustaria k me puedan ayudar xD
he estado buscando con programas de driver updator pro y regtool pero
no encuentra los drivers de audio y video

aqui estan los resultados del Everest

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

Version EVEREST v2.20.405
Homepage http://www.lavalys.com/
Report Type Report Wizard
Computer ELECTRO-2046BEC
Generator Administrator
Operating System Microsoft Windows XP Professional 5.1.2600 (WinXP Retail)
Date 2009-08-18
Time 09:25


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

Computer:
Operating System Microsoft Windows XP Professional
OS Service Pack Service Pack 3
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name ELECTRO-2046BEC
User Name Administrator

Motherboard:
CPU Type Intel Pentium 4, 1600 MHz (16 x 100)
Motherboard Name Dell OptiPlex GX260
Motherboard Chipset Intel Brookdale-G i845G
System Memory 512 MB (PC3200 DDR SDRAM)
BIOS Type Phoenix (11/01/04)
Communication Port Communications Port (COM1)
Communication Port ECP Printer Port (LPT1)

Display:
Video Adapter Intel Extreme Graphics
3D Accelerator Intel Extreme Graphics

Multimedia:
Audio Adapter Intel 82801DB ICH4 - AC'97 Audio Controller [A-1]

Storage:
IDE Controller Intel(R) 82801DB Ultra ATA Storage Controller - 24CB
Floppy Drive Floppy disk drive
Disk Drive WDC WD400BB-75DEA0 (37 GB, IDE)
Disk Drive UltraNet USB Flash Disk USB Device (996 MB, USB)
Optical Drive SAMSUNG CDRW/DVD SM-332B (DVD:12x, CD:32x/10x/40x DVD-ROM/CD-RW)
SMART Hard Disks Status OK

Partitions:
C: (NTFS) 38138 MB (34197 MB free)

Input:
Keyboard Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Mouse PS/2 Compatible Mouse

Network:
Network Adapter 2Wire Gateway USB (192.168.1.65)

Peripherals:
USB1 Controller Intel 82801DB ICH4 - USB Controller [A-1]
USB1 Controller Intel 82801DB ICH4 - USB Controller [A-1]
USB1 Controller Intel 82801DB ICH4 - USB Controller [A-1]
USB2 Controller Intel 82801DB ICH4 - Enhanced USB2 Controller [A-1]
USB Device 2Wire Gateway USB
USB Device USB Mass Storage Device


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

[ BIOS ]

BIOS Properties:
Vendor Dell Computer Corporation
Version A09
Release Date 11/01/2004
Size 512 KB
Boot Devices Floppy Disk, Hard Disk, CD-ROM, LS-120
Capabilities Flash BIOS, Shadow BIOS, Selectable Boot, EDD, BBS
Supported Standards DMI, APM, ACPI, ESCD, PnP
Expansion Capabilities ISA, PCI, AGP, USB

[ System ]

System Properties:
Manufacturer Dell Computer Corporation
Product OptiPlex GX260
Serial Number BSD1021
Universal Unique ID 44454C4C-53001044-8031C2C0-4F303231
Wake-Up Type Power Switch

[ Motherboard ]

Motherboard Properties:
Manufacturer Dell Computer Corp.
Serial Number .. .