on my computer icon, right click and choose properties
then click on hardware and click device manager button.
on it uninstall your sound device under some sound icon.
restart and usually your...

iwhen you boot up, right after bios screen, is there no:
"press anykey tooboot from cd" or something like it.
it only stay for 5 seconds.
are you using crt monitor? because the screen power up is...