my friend has just built a system with some bits he got from maplin. after some hassle of gettin xp installed everything is working except the onboard sound. his mobo is an XFX nforce2 with the usual 6channel onboard sound. no errors/conflicts are recognised by windows and playback of mp3s etc begins but no sound can be heard. im completely stumped. the speakers are plugged into the line out and they work perfectly on my pc.
any ideas?