i've changed from linux to winXP pro and thou i instaled all drivers i cound find (it's a work pc and i have no original cd-s ) there is still no sound, i'll paste the belarc report but i did opened the pc and on the board says "replace system board 865GV"

witch made me thing it's an intel and tryed to instal realtek Ac'97 but it asked for a digital signature and then sometimes reboots sometimes just forces me to stop the instalation. it doesn't work with realtek........i will paste another report also that says i have direct x v5....can that be the problem? i need a newer version of direct x also?........please help me.......i'm running out of patience
Operating System System Model
Windows XP Professional (build 2600) Hewlett-Packard HP dx2000 MT(PL161ES)
System Serial Number: CZC43611TY
Asset Tag: CZC43611TY
Chassis Serial Number: CZC43611TY
Enclosure Type: Desktop
Processor a Main Circuit Board b
2,80 gigahertz Intel Pentium 4
16 kilobyte primary memory cache
1024 kilobyte secondary memory cache Board: Lite-On Tech. 08FCh B04
Serial Number: 21811471009554
Bus Clock: 133 megahertz
BIOS: American Megatrends Inc. 1.09 07/02/2004
Drives Memory Modules c,d
40,01 Gigabytes Usable Hard Drive Capacity
34,06 Gigabytes Hard Drive Free Space
HL-DT-ST CD-ROM GCR-8482B
WDC WD400BB-22HEA1 [Hard drive] (40,02 GB) -- drive 0, s/n WD-WMAJ71470778, rev 14.03G14, SMART Status: Healthy 248 Megabytes Installed Memory
Slot 'DIMM1' has 256 MB
Slot 'DIMM2' is Empty
Slot 'DIMM3' is Empty
Slot 'DIMM4' is Empty
Local Drive Volumes
c: (NTFS on drive 0) 40,01 GB 34,06 GB free
Network Drives
None detected
Users (mouse over user name for details) Printers
local user accounts last logon
Administrator 16.11.2007 12:45:01 (admin)
local system accounts
Guest never
HelpAssistant never
SUPPORT_388945a0 never
Marks a disabled account; Marks a locked account None detected
Controllers Display
Primary IDE Channel [Controller]
Secondary IDE Channel [Controller]
Standard Dual Channel PCI IDE Controller Intel(R) 82865G Graphics Controller [Display adapter]
hp 7500 [Monitor] (15,7"vis, s/n CNN42722MB, iulie 2004)
Bus Adapters Multimedia
Standard Universal PCI to USB Host Controller (4x) None detected
Communications Other Devices
Intel(R) PRO/100 VE Network Connection
primary Auto IP Address: 10.0.0.2 / 24
Gateway: 10.0.0.138
Dhcp Server: 10.0.0.138
Physical Address: 00:02:E3:4F:15:5B
Networking Dns Servers: 193.231.100.130
193.231.238.2
193.231.100.134
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
Microsoft PS/2 Mouse
USB Root Hub (4x)
Virus Protection [Back to Top]
and here is the other report from other soft.....
Processor
Intel Pentium 4, 2800 MHz
133MHz external bus
BIOS
American Megatrends Inc. 1.09 07/02/2004
Memory
Upgrade
256MB physical
4 memory slots, 3 free (256+0+0+0)
Video
Upgrade
Graphics Adapter: Intel(R) 82865G Graphics Controller
Screen Area/Colors: 1024x768 pixels, 16 million colors
Monitor: hp 7500 color monitor
Drives
Upgrade
C:\ (NTFS) 38154MB total, 32488MB free
D:\ CD-ROM/CD-RW or DVD Drive
Network and Modem
Upgrade
(net) Intel Intel PRO/100 VE Network Connection
(net) Microsoft Direct Parallel
Operating System
Upgrade
Windows XP (Windows XP 5.1.2600 )
Original setup date: 11/16/2007
DirectX Version: 5.1.2600.0 (xpclient.010817-1148)
SWAP FILE DISABLED
File cache managed by Windows
Browser
MSIE 6.0; 5.1; .NET CLR 2.0.50727
Proxy: No proxy set
HTTP level: direct 1.1, proxy 1.0
Scripting version: 5.6.0.6626
THANKS!!!!!!!