Hi I need help with fixing my sound card. No sound is coming out of my speakers. Here is my Everest log:

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

Version EVEREST v2.20.405
Homepage http://www.lavalys.com/
Report Type Quick Report
Computer MYLINHHH
Generator HP_Owner
Operating System Microsoft Windows XP Home Edition 5.1.2600 (WinXP Retail)
Date 2008-06-20
Time 19:57


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

Computer:
Operating System Microsoft Windows XP Home Edition
OS Service Pack Service Pack 2
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name MYLINHHH
User Name HP_Owner

Motherboard:
CPU Type AMD Athlon 64, 2200 MHz 3200+
Motherboard Name Asus K8S-LA (3 PCI, 1 AGP, 2 DDR DIMM, Audio, Video, LAN, IEEE-1394)
Motherboard Chipset SiS 760GX, AMD Hammer
System Memory 384 MB
BIOS Type Award (04/20/05)
Communication Port Communications Port (COM1)
Communication Port ECP Printer Port (LPT1)

Display:
Video Adapter SiS 330 Mirage Integrated
3D Accelerator SiS 330 Mirage Integrated

Multimedia:
Audio Adapter SiS 7012 Audio Device

Storage:
IDE Controller SiS PCI IDE Controller
IDE Controller Standard Dual Channel PCI IDE Controller
Disk Drive ST3160021A (160 GB, 7200 RPM, Ultra-ATA/100)
Disk Drive Generic USB SD Reader USB Device
Disk Drive Generic USB CF Reader USB Device
Disk Drive Generic USB SM Reader USB Device
Disk Drive Generic USB MS Reader USB Device
Optical Drive HL-DT-ST DVDRRW GWA-4161B (DVD+R9:2.4x, DVD+RW:16x/4x, DVD-RW:8x/4x, DVD-ROM:16x, CD:40x/24x/40x DVD+RW/DVD-RW)
Optical Drive SAMSUNG CD-ROM SC-148A (48x CD-ROM)
SMART Hard Disks Status OK

Partitions:
C: (NTFS) 146393 MB (136525 MB free)
D: (FAT32) 6211 MB (667 MB free)
Total Size 149.0 GB (134.0 GB free)

Input:
Keyboard HP PS2 Keyboard (2K - 3)
Mouse PS/2 Compatible Mouse

Network:
Network Adapter SiS 900-Based PCI Fast Ethernet Adapter (192.168.1.102)
Modem Agere Systems PCI Soft Modem

Peripherals:
USB1 Controller SiS 7001 PCI-USB Open Host Controller
USB1 Controller SiS 7001 PCI-USB Open Host Controller
USB1 Controller SiS 7001 PCI-USB Open Host Controller
USB2 Controller SiS 7002 USB 2.0 Enhanced Host Controller
USB Device USB Audio Device
USB Device USB Composite Device
USB Device USB Device
USB Device USB Mass Storage Device
USB Device USB Printing Support