this is what i did to install my BT device post-Win XP install: make sure ur BT device's turned off. Then launch the setup program. After a while it will ask you to turn on your BT device. Turn it on and it'll be detected. Otherwise, I...
try clicking "Action -> Scan for hardware changes" in Device Manager to re-detect your sound card. If this doesn't work then enter your BIOS setting and check wether there's any option to disable the sound device. I'm not...