On a HP pavilion 761c with the following specs. FEATURE/SPECIFICATION DESCRIPTION Motherboard description * Manufacturer's name - ASUS P4S333-M * HP/Compaq name - Missouri Motherboard supplier ASUS System BIOS supplier Asus Award Form factor UATX Processor brand Intel Processor socket type MPGA478 Processor family Pentium® 4 (Willamette, Northwood) Processor front side bus frequency 400 MHz Chipset name SiS650 Chipset "North Bridge" SiS650 Revision/Stepping A1 Chipset "South Bridge" SiS961 Revision/Stepping A2 Super I/O ITE Revision/Stepping IT8707 Flash BIOS device 2MB Flash EEPROM Memory type DDR Memory speed PC2100 / PC1600 Memory sockets 2 DIMM Maximum memory 2GB Graphics supplier Graphic Card Graphics configuration Up/Down Onboard graphics memory N/A Graphics connector (AGP) AGP 4X TV-out device No TV-out configuration AGP TV Out Card Audio AC97 Down AC’97 CODEC device ADI1885 Audio jacks (legend below) M, LI, LO, SO, M/G M Microphone LI Line In LO Line out SO Speaker M/G Midi/Game Ethernet 10/100 LAN supplier SiS 961+PHY ICS 1893 Ethernet configuration Integrated Down IDE UDMA modes Supports UDMA 100/66/33 - requires a 40 pin/80 conductor cable for UDMA 66 and 100 disk drives Expansion slots (AGP/PCI/Exten) 1 AGP, 3 PCI USB ports 6 USB front/back options 2F + 2 B +2 on connector Serial, parallel, floppy, PS2 Kbd and mouse 2S, 1P, !F, PS2 K+M Serial port front chassis option Yes Available mfg options (legend below) ULAS A Audio down on motherboard C External L2 cache on motherboard E 1394 on motherboard G Graphics down (on motherboard or in chipset) L LAN on motherboard (Ethernet)P - PCMCIA slot S S3 power management support T TV-out on motherboard U Graphics card (up, not on motherboard) W Microsoft Windows XP hardware compliant I just did a clean install on a computer. and the audio sound didn't work. In the device manager, there is a yellow circle with the exclamation point next to c-media ac 97 audio device driver. I tried to install realtek device driver, but didn't work. Anyone know anything else i can do. Im frustrated.