No sound from my shuttle x pc

I went to use my computer and now the sound doesn't work. If I try to start a game it says there is no audio card detected. There is no speaker icon on the toolbar. It's like my sound card disappeared. Windows XP Professional.

Field Value
Motherboard Properties
Motherboard ID 06/06/2003-i845G-ITE8712-6A69VH2EC-00
Motherboard Name Shuttle FB52

Front Side Bus Properties
Bus Type Intel NetBurst
Bus Width 64-bit
Real Clock 133 MHz (QDR)
Effective Clock 533 MHz
Bandwidth 4267 MB/s

Memory Bus Properties
Bus Type DDR SDRAM
Bus Width 64-bit
Real Clock 167 MHz (DDR)
Effective Clock 333 MHz
Bandwidth 2667 MB/s

Chipset Bus Properties
Bus Type Intel Hub Interface
Bus Width 8-bit
Real Clock 67 MHz (QDR)
Effective Clock 267 MHz
Bandwidth 267 MB/s

Motherboard Physical Info
CPU Sockets/Slots 1 Socket 478
Expansion Slots 2 PCI
RAM Slots 2 DDR DIMM
Integrated Devices Audio, Video, Gigabit LAN
Form Factor Flex ATX
Motherboard Size 180 mm x 250 mm
Motherboard Chipset i845GV

Motherboard Manufacturer
Company Name Shuttle Inc.
Product Information http://global.shuttle.com/Product/MotherBoard/mbd_default.asp
BIOS Download http://global.shuttle.com/Download/Download.asp