FYI installing ALSA 1.0.11 over the 1.0.11rc2 that came with the kernel fixed this. Thanks to all who pointed out the solution! > 1. I can't hear any sound. > > My 6400 has a Sigmatel STAC9200 (snd_hda_intel) in it. The driver > loads fine, the utilities act as if they're making sound, nothing > comes out of the speakers. Yes, it's not muted (checked). Yes, the > volume is set (77%). Yes, the speakers work (sound is fine in > WinXP). No, the mute/up/down Fn-Keys do nothing. Yes, I've gone > right from WinXP sound to reboot to FC5, didn't help.