Sound card problem, alsamixer up'ed

[harrylmh]

I've installed Fedora Core 4. But there's no sound. I went to Desktop > System Settings (i think) > Sound Card Detection.

It says:
Vendor: Intel
Model: Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller
Module: snd-intel8x0

But when I pressed "Play test sound" there was no sound...Click ok, then it said something about detected failed and no audio for this system.

I've already tried alsamixer and dragged all the bars to the max and still no sound.
What should I do? Please help me.