Specs. @
http://www.uktsupport.co.uk/advent/pc/t9202.htm
So you need audio driver for CMedia CMI9880L High Definition Audio.
http://home.hiwaay.net/~wwithero/CMediaWin7Driver/CMI9880_5.12.1.8.zip
EXTRACT TO ITS OWN FOLDER AFTER VIRUS SCAN !!
NOW:
1. OPEN DEVICE MANAGER
2. RIGHT CLICK YOUR SOUND DRIVER (HDA DEVICE)
3. CHOOSE UPDATE DRIVER, THEN "BROWSE COMPUTER FOR DRIVER SOFTWARE"
4. CHOOSE "LET ME PICK FROM A LIST OF DEVIE DRIVERS ON MY COMPUTER"
5. CHOOSE "HAVE DISK..."
6. NOW BROWSE TO THE SPECIFIED FOLDER (CDM9880_5.12.1.8 FOR ME)
7. 2 INFORMATION FILES WILL APPEAR.. CHOOSE "CMHDA".. CONTINUE TO OPEN
8. CLICK "NEXT" AND CHOOSE "YES" WHEN THE "UPDATE DRIVER WARNING" PROMPT COMES UP
9. IT SHOULD INSTALL FLAWLESSLY =D!!!
No guarantees as findind drivers for this audio card is next to impossible.