lets see i reinstalled the drivers to my onboard sound checked my speakers reinstalled the hardware and still no sound!!!! i have an onboard c-media AC97 device My computer acts as if its playing sound (ie..No error Messages but there is just no sound) I checked the volume and its not muted I don't know what else to do please help!!!

Can you please provide us more info about your PC

What is operating system, and since when did this happen ex: while updating or installing any software etc...

Also what is your driver version (C-Media latest drivers are buggy)

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I had the same problem try this download. There are two different links you need one for ac-media97 and one for realtek.

C-Media AC97 Codec Audio Rack 2.11 Driver Download

Realtek AC'97 WDM Driver (Windows 98/Me/2000/XP/2003) - Free Software Downloads and Software Reviews - Download.com

See if those work. If they arent links copy and paste them in the window. You will need to install the first and then the second. Let me know if they work, if not I will see if I can zip my drivers and send them to you.

I have win XP home Serv. pack 2 i have the system info on the device from system information below if it helps at all. also i tried the first link in the second post for drivers with no luck.

Name C-Media AC97 Audio Device
Manufacturer C-Media
Status OK
PNP Device ID PCI\VEN_1039&DEV_7012&SUBSYS_030013F6&REV_A0\3&61A AA01&0&17
I/O Port 0x0000DC00-0x0000DCFF
I/O Port 0x0000D800-0x0000D83F
IRQ Channel IRQ 10
Driver c:\windows\system32\drivers\cmuda.sys (5.12.01.0051.3 (73), 1.31 MB (1,373,120 bytes), 11/22/2006 2:13 PM)

Did you try going to sounds and media in Control Panel?
Did you try going into system drivers in control panel?

Did you install the drivers from the CD that came with your mobo, or from some other source?

Did you have sound immidiatly after the SP2 install?

I would go here to get the drivers required for your soundcard.

Let us know how you get on.