To enable sound on a Lenovo 3000 N100 laptop... In patch_realtek.c (near line # 10882): Change: SND_PCI_QUIRK(0x17aa, 0x2066, "Lenovo", ALC861VD_LENOVO), to: SND_PCI_QUIRK(0x17aa, 0x2066, "Lenovo 3000 N100", ALC861VD_3ST), Thanks, Chris