Man, oh, man. Isn't there another thread here with a similar problem? The K7S5A is a good board for the price, but known to have some strange problems.
I have the K7S5A and it's flaky onboard sound card. The SiS 7012, right? You have a few options. (IÂ’m going to assume youÂ’ve already checked out all the Windows software sound settings.)
1.) Like Jeeper said, get a new soundcard (making sure to disable the onboard sound in Bios.)
2.) Mess with it yourself. A few things you can tryÂ….
a.) Download latest SiS 7012 driver here:
http://www.ecs.com.tw/download/driver_sound_m.htm#sis
b.) Remove soundcard (in bios), reboot, reenable soundcard in bios and reboot.
c.) If you have them (or can borrow them), try a different set of speakers.
d.) Connect your soundcard to stereo tuner/amplifier (you’ll need a 1/8” male to dual RCA male patch cord for this) and see if this boosts sound.
I had all kinds of weird errors (mine were internet related) and had to disable sound everytime I accessed the internet (IRQ problems are a b**ch to fix in Â’98). Finally upgraded to XP home ed, had NO sound at all, but with some tweaking and uninstall/reinstalls, got rid of problems.
Hope some of this helps. If not, get a PCI soundcard and the heck with the onboard audio.
Good luck,
Cyanatic