Um excuse me If I'm doing this wrong but I'm having the same problem so if you can plzzzzzz help me here are my specs
Operating System System Model
Windows XP Professional (build 2600) Sony Corporation PCV-RS410(UC) 28003935
System Serial Number: 3033924
Asset Tag: P06800000000B8B3A797760789D2
Processor a Main Circuit Board b
2.67 gigahertz Intel Pentium 4
8 kilobyte primary memory cache
512 kilobyte secondary memory cache Board: ASUSTeK Computer INC. KIRIN-V REV 1.xx
Bus Clock: 133 megahertz
BIOS: Award Software, Inc. ACPI BIOS Revision 2002 09/10/2003

We need to know the make, model, and if possible, the service tag number of the computer.
Example: Dell Dimension 3000. It should be on the back somewhere, or if it's a laptop, on the bottom

Er I think this is it.
Operating System System Model
Windows XP Professional (build 2600) Sony Corporation PCV-RS410(UC) 28003935
System Serial Number: 3033924
Asset Tag: P06800000000B8B3A797760789D2
Processor a Main Circuit Board b
2.67 gigahertz Intel Pentium 4
8 kilobyte primary memory cache
512 kilobyte secondary memory cache Board: ASUSTeK Computer INC. KIRIN-V REV 1.xx
Bus Clock: 133 megahertz
BIOS: Award Software, Inc. ACPI BIOS Revision 2002 09/10/2003
Drives Memory Modules c,d
160.03 Gigabytes Usable Hard Drive Capacity
132.78 Gigabytes Hard Drive Free Space

SAMSUNG CD-ROM SC-140C
SONY DVD RW DW-U12A [CD-ROM drive]
3.5" format removeable media [Floppy drive]

ST3160023A [Hard drive] (137.44 GB) -- drive 0 248 Megabytes Installed Memory

Slot 'DIMM 1' has 256 MB
Slot 'DIMM 2' is Empty
Local Drive Volumes

c: (NTFS on drive 0) 160.03 GB 132.78 GB free

Network Drives
None detected
Controllers Display
Standard floppy disk controller
Primary IDE Channel [Controller]
Secondary IDE Channel [Controller]
Standard Dual Channel PCI IDE Controller None detected
Bus Adapters Multimedia
Standard Universal PCI to USB Host Controller (3x) None detected
Communications Other Devices

1394 Net Adapter
Realtek RTL8139 Family PCI Fast Ethernet NIC
primary Auto IP Address: 192.168.1.101 / 24
Gateway: 192.168.1.1
Dhcp Server: 192.168.1.1
Physical Address: 00:0C:6E:EC:E7:AE

Networking Dns Servers: 68.105.28.12
68.105.29.12
68.105.28.11
NEC OHCI Compliant IEEE 1394 Host Controller
USB Human Interface Device
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
HID-compliant mouse
USB Root Hub (3x)
Virus Protection [Back to Top]

is this right
Sony Model PCV: 2234

Not Exactly.
It's a PCV-RS410 as indicated in your first post.
Audio driver and install instructions here.
If you still have no sound afterwards, post back.

Close. Are you sure that's the entire number? Is there a serial number?