help me

xukai

lsmod
snd-intel8x0           22980   0  (unused)
snd-pcm                85280   0  [snd-intel8x0]
snd-timer              19556   0  [snd-pcm]
snd-page-alloc          9844   0  [snd-intel8x0 snd-pcm]
snd-ac97-codec         50168   0  [snd-intel8x0]
snd-mpu401-uart         5200   0  [snd-intel8x0]
snd-rawmidi            18560   0  [snd-mpu401-uart]
snd-seq-device          6204   0  [snd-rawmidi]
snd                    43044   0  [snd-intel8x0 snd-pcm snd-timer snd-ac97-codec snd-mpu401-uart snd-rawmidi snd-seq-device]

snd-intel8x0 is audio driver that i have installed.
but system could not play audio,and mixer board only have mic control bar
how to make audio play and how to make modul snd-intel8x0 used but for unused