Quote Originally Posted by oqa
Thanks NooNoo!

The model card is CT 4810. I turned off the onboard realtek because my speakers (Diamond 2.1 Pro Media) couldn't play sounds with it. Because the diamond speakers was with my older computer -and with the Creative PCI sound card plugged in to that older computer- so I thought I needed to install the PCI card into the one I'm using right now.

The realtek is now working again (with standard speakers) after I performed system restore and un-plugged the PCI card.

What went wrong?
Anything from you not plugging in the speakers correctly to the sound driver corrupting!