I had bought my PC back when Win98 was in full bloom. It came with an on board Sound Blaster PCI64 audio device. Now, I just updated with XP Pro and just found out that XP does not support that device. I purchased a Seal 6.1 channel sound card (don’t ask me why). I installed it, disabled the malfunctioning onboard device in the BIOS and no sound. Microsoft even installed their (Seal’s) drivers without me even running the disc that came with the card. I ran the disc just to make sure that it wasn’t MS’s drivers causing the problem. Everything was telling me that the device was working properly. Then I found out the hard way that Seal’s support center is non-existent. Now, I just aquired a used SB PCI128. I was shown that it works. I did the same thing as I did with the Seal card and with the same result I’ve gotten before. I downloaded new drivers. Even tried the putting the card in the other slots on the board. There too, I was getting messages that the device was working properly but no sound. And of course, I had the speaker plug in the right jack. Power light is on. I tried different mp3 players (QCD, WMP), too. I’m at a loss here. I hope I explained everything pretty clearly. Please help. Thanks.