Hi, i own a dell dimension 8400 and have just reinstalled my computer after a blue screen of death and everything was working fine until my speakers didn't work. i reinstalled some audio drives from dell and it doesn't work. When i go on control panel and then sounds speech... thing and click on sounds and audio devices then the audio tab i get two sound play back default devices: SoundMAX digital audio and Sound Blaster live 24 bit. any advice to help me with this? and another problem as well, how can i fix a missing video controller? thanks.