I have a laptop, and recently reformatted my hard rive, and my sound stopped working. I tried installing the drivers from the manufacturer's site, but they didn't work.
Operating System System Model
Windows XP Professional Service Pack 2 (build 2600) ASUSTeK Computer INC. A4S 1.0
System Serial Number: NB-1234567890
Asset Tag: 0x00000000
Chassis Serial Number: 0x00000000
Enclosure Type: Notebook
Processor a Main Circuit Board b
3.40 gigahertz Intel Pentium 4
16 kilobyte primary memory cache
2048 kilobyte secondary memory cache Board: ASUSTeK Computer INC. A4S 1.00
Serial Number: NB-0123456789
Bus Clock: 200 megahertz
BIOS: American Megatrends Inc. 0401 10/11/2005
Drives Memory Modules c,d
100.02 Gigabytes Usable Hard Drive Capacity
88.99 Gigabytes Hard Drive Free Space
MATSHITA DVD-RAM UJ-840S [CD-ROM drive]
UQ5218V WMW826X SCSI CdRom Device [CD-ROM drive]
TOSHIBA MK1032GAX [Hard drive] (100.03 GB) -- drive 0, s/n 75BJ0426T, rev AB211A, SMART Status: Healthy 1024 Megabytes Installed Memory
Slot 'DIMM0' is Empty
Slot 'DIMM1' has 1024 MB
Local Drive Volumes
c: (NTFS on drive 0) 100.02 GB 88.99 GB free
Network Drives
None detected
Users (mouse over user name for details) Printers
local user accounts last logon
Bobby 9/18/2006 3:34:32 PM (admin)
local system accounts
Administrator never (admin)
ASPNET never
Guest never
HelpAssistant never
SUPPORT_388945a0 never
DISABLED Marks a disabled account; LOCKED OUT Marks a locked account
Adobe PDF Converter on My Documents\*.pdf
EPSON Stylus CX4800 Series on USB001
Microsoft Office Document Image Writer Driver on Microsoft Document Imaging Writer Port:
Controllers Display
Intel(R) 82801FB/FBM Ultra ATA Storage Controllers - 266F
Primary IDE Channel [Controller] NVIDIA GeForce Go 6800 [Display adapter]
Default Monitor (2x)
Seiko Epson 15.4 [Monitor] (15.4"vis)
Bus Adapters Multimedia
Ricoh R/RL/5C476(II) or Compatible CardBus Controller
SCSI/RAID Host Controller
Intel(R) 82801FB/FBM USB Universal Host Controller - 2658
Intel(R) 82801FB/FBM USB Universal Host Controller - 2659
Intel(R) 82801FB/FBM USB Universal Host Controller - 265A
Intel(R) 82801FB/FBM USB Universal Host Controller - 265B
Intel(R) 82801FB/FBM USB2 Enhanced Host Controller - 265C None detected
Communications Other Devices
1394 Net Adapter
ASUS USB Wireless Network Adapter
Physical Address: 00:13

4:8F:11:95
Realtek RTL8169/8110 Family Gigabit Ethernet NIC
primary Auto IP Address: 143.195.150.25 / 24
Gateway: 143.195.150.1
Dhcp Server: 143.195.1.3
Physical Address: 00:15:F2

1:47:33
Networking Dns Servers: 143.195.1.3
143.195.1.6
OHCI Compliant IEEE 1394 Host Controller
Microsoft AC Adapter
Microsoft ACPI-Compliant Control Method Battery
Built-in Infrared Device
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Logitech HID-compliant Cordless Mouse
Synaptics PS/2 Port TouchPad [Mouse]
SDA Standard Compliant SD Host Controller
USB Root Hub (5x)