ok guys i'm new here so pardon my noobness.....
i just got a new system and my onboard audio device doesn't get detected by windows....
my motherboard is asus PQ5 se2....
now the interesting part is that when i run asus express gate at bootup( a software dat allows access to net and stuff without any os) and i open you tube i can listen to songs and all.....but in windows it says no sound card detected.............
i'm dumbstruck help me out guys.

You need to go into the BIOS and make sure that on board sound is enabled. Check your user's manual.

it is enabled i've double checked it...and also read the user's manual 15 times now, cant find any thing wrong .... any other advice please ? if my info is insufficient let me know...

Did you reinstall windows after you got this system or did you just stick the drive from another computer in it? It is best to reinstall windows onto another system. If you are using it on a hard drive that came from a manufacturer such as dell then it might be designed only to recognize dell's hardware. If all you have is a disk from a manufacturer and this isn't a computer from that manufacturer then you will have to obtain your own disk and license because a manufacturer's disk con only be used on their computers. If you need to obtain a new OS Newegg sells discounted OEM licenses for windows that are technically for system builders, but they sell them anyway. You could also go with linux for free. If you did actually install this on that computer and it isn't a copy from a specific manufacturer then the only thing else I know to suggest is to contact the manufacturer. You could also consider buying a sound card but if something is wrong with the on board sound (and there might) since it is new I would use the warranty.

Welcome to D-A-L.

Download, install, and run Everest Home Edition (CLEAN FreeWare) on this machine. Once it's finished loading and running, look under;

MOTHERBOARD
Post what is listed for your Motherboard (make/model) and the Motherboard Chipset description.

Multimedia, or, under Multimedia, PCI / PnP Audio. This will tell you what sound devices you have available on your system.

Post that information exactly as presented by the program.

I've been away for sometime....thanks for responding.....lets see now....i'm going too try and reinstall windows and see wat happens as far as the second post about everest software is concerned, here are the detais....not much i think :

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

Version EVEREST v2.20.405
Homepage lavalys.com/Lavalys- Comprehensive IT Security and Management
Report Type Quick Report
Computer RIZVI
Generator All
Operating System Microsoft Windows XP Professional 5.1.2600 (WinXP Retail)
Date 2009-10-10
Time 15:52


--------[ CPU ]---------------------------------------------------------------------------------------------------------

CPU Properties:
CPU Type Intel Pentium III Xeon, 3000 MHz (7 x 429)
Instruction Set x86, x86-64, MMX, SSE, SSE2, SSE3
Original Clock 3000 MHz
L1 Code Cache 32 KB
L1 Data Cache 32 KB
L2 Cache 6 MB (On-Die, ATC, Full-Speed)

Multi CPU:
Motherboard ID SE2
CPU #0 Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz, 3010 MHz
CPU #1 Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz, 3010 MHz

CPU Manufacturer:
Company Name Intel Corporation
Product Information intel.com/products/browse/processor.htm

CPU Utilization:
CPU #1 / Core #1 / HTT Unit #1 0 %
CPU #1 / Core #1 / HTT Unit #2 100 %


--------[ CPUID ]-------------------------------------------------------------------------------------------------------

CPUID Properties:
CPUID Manufacturer GenuineIntel
CPUID CPU Name Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
CPUID Revision 0001067Ah
IA Brand ID 00h (Unknown)
Platform ID 00h (Unknown)
IA CPU Serial Number Unknown
Microcode Update Revision A07
HTT / CMP Units 1 / 0

__________________________________________________ _

--------[ Motherboard ]-------------------------------------------------------------------------------------------------

Motherboard Properties:
Motherboard ID 64-0601-000001-00101111-042909-Eaglelake$A1121001_BIOS DATE: 04/29/09 10:58:25 VER: 08.00.14
Motherboard Name Unknown

Front Side Bus Properties:
Bus Type Intel AGTL+
Bus Width 64-bit
Real Clock 429 MHz
Effective Clock 429 MHz
Bandwidth 3429 MB/s


__________________________________________________ ___

nothing shows up for chipset or multimedia audio

Have you tried installing the Chipset and Audio drivers from the ASUS site?
ASUSTek P5Q SE2 Downloads

It's a Socket 775 PQ5 SE2