In this case ALSA is definitely your friend. If you have the alsa stuff installed especially alsa-utils then getting some sound shouldn't be a problem. If you run alsaconf from a command line using the command
(you remember that from DOS and are not afraid of it like the youngsters
). It should detect your sound card and offer to install the driver for you. Accept the offer gratefully taking careful note of what card it believes you have and what driver it is installing for you. If that step goes well then you should hear some sound coming out of your system. If you don't you'll need to open a mixer (alsamixer can be run from the command line also) and verify that volume and especially PCM settings are above zero. That should sort you out.