No Sound after reformat

Hello,

I recently reconfigured my computer and now have no sound. I installed all the drivers for the mother board and everything. This is what i get from everest

Field Value
Computer
Computer Type ACPI Multiprocessor PC
Operating System Microsoft Windows XP Professional
OS Service Pack [ TRIAL VERSION ]
Internet Explorer 6.0.2900.2180 (IE 6.0 SP2)
DirectX 4.09.00.0904 (DirectX 9.0c)

Date / Time 2010-06-04 / 18:10

Motherboard
CPU Type DualCore Intel Pentium D 945, 3400 MHz (17 x 200)
Motherboard Name Gigabyte GA-8I945GMF (2 PCI, 1 PCI-E x1, 1 PCI-E x16, 4 DDR2 DIMM, Audio, Video, Gigabit LAN, IEEE-1394)
Motherboard Chipset Intel Lakeport-G i945G
System Memory [ TRIAL VERSION ]
DIMM1: Apacer Tech. 512 MB DDR2-667 DDR2 SDRAM (5-5-5-15 @ 333 MHz) (4-4-4-12 @ 266 MHz) (3-3-3-9 @ 200 MHz)
DIMM3: Apacer Tech. [ TRIAL VERSION ]
BIOS Type Award Modular (11/08/05)
Communication Port Communications Port (COM1)
Communication Port Communications Port (COM2)
Communication Port Dupont BC2703 Diagnostics Interface (COM5)
Communication Port Printer Port (LPT1)

Display
Video Adapter Intel GMA 950
3D Accelerator Intel GMA 950

Multimedia
Audio Adapter Realtek ALC882/D/M @ Intel 82801GB ICH7 - High Definition Audio Controller [A-1]

Storage
IDE Controller Standard Dual Channel PCI IDE Controller
Floppy Drive Floppy disk drive
Disk Drive HP PSC 1613 USB Device
Disk Drive Maxtor 6Y120L0 (120 GB, 7200 RPM, Ultra-ATA/133)
Disk Drive WDC WD3200JS-60PDB0 (298 GB, IDE)
Optical Drive HL-DT-ST DVDRAM GSA-H10N (DVD+R9:10x, DVD-R9:6x, DVD+RW:16x/8x, DVD-RW:16x/6x, DVD-RAM:12x, DVD-ROM:16x, CD:48x/32x/48x DVD+RW/DVD-RW/DVD-RAM)
SMART Hard Disks Status OK

Partitions
C: (NTFS) [ TRIAL VERSION ]
D: (NTFS) 114.5 GB (114.4 GB free)
Total Size [ TRIAL VERSION ]

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

Network
Primary IP Address [ TRIAL VERSION ]
Primary MAC Address 00-00-00-00-00-00
Network Adapter WAN (PPP/SLIP) Interface (41.1 [ TRIAL VERSION ])
Modem Dupont BC2703 Modem
Modem SoftV92 Data Fax Modem

Peripherals
Printer HP PSC 1600 series
Printer Microsoft XPS Document Writer
FireWire Controller Texas Instruments TSB43AB23 1394A-2000 OHCI PHY/Link-Layer Controller (PHY: TI TSB43AB23)
USB1 Controller Intel 82801GB ICH7 - USB Universal Host Controller [A-1]
USB1 Controller Intel 82801GB ICH7 - USB Universal Host Controller [A-1]
USB1 Controller Intel 82801GB ICH7 - USB Universal Host Controller [A-1]
USB1 Controller Intel 82801GB ICH7 - USB Universal Host Controller [A-1]
USB2 Controller Intel 82801GB ICH7 - Enhanced USB2 Controller [A-1]
USB Device Dupont BC2703 Diagnostics Interface (COM5)
USB Device Dupont BC2703 Modem
USB Device HP PSC 1600 series
USB Device PSC 1600 series (DOT4USB)
USB Device USB Composite Device
USB Device USB Composite Device
USB Device USB Mass Storage Device
USB Device USB Printing Support

DMI
DMI BIOS Vendor Award Software International, Inc.
DMI BIOS Version F6
DMI System Manufacturer
DMI System Product
DMI System Version
DMI System Serial Number [ TRIAL VERSION ]
DMI Motherboard Manufacturer Gigabyte Technology Co., Ltd.
DMI Motherboard Product 8I945GMF
DMI Motherboard Version x.x
DMI Motherboard Serial Number [ TRIAL VERSION ]
DMI Chassis Manufacturer
DMI Chassis Version
DMI Chassis Serial Number [ TRIAL VERSION ]
DMI Chassis Asset Tag [ TRIAL VERSION ]
DMI Chassis Type Desktop Case
DMI Total / Free Memory Sockets 4 / 2

Please help