Please help! I installed Xubuntu 11.04 on my 9+ year old Dell Dimension 4600i PC and it works beautifully. The only problem is, no matter what I do, the audio simply does not work. I have run through the Sound Troubleshooting Guide multiple times, but nothing has worked.

I'm very new to using Linux in general, but if anyone could help me out, I'd really appreciate it. Also, I've posted the link to the Alsa sound information of my computer: