This is a problem that I experienced myself after reformatting the computer first. so, the story, after re-format the computer to do install the drivers .. but do not know why when install drivers from motherboard CD, every time install sound driver, always failed, writing "no sound card is detected" (just like that, I forget exactly how his writings)
it very annoying, obviously his sound card is installed, it also continues to install the driver directly from the motherboard CD?! if there ever encountered a problem like this, it was hard ... yg...