Reinstall the sound card. Then be sure and choose to use the Creative game port, instead of the standard game port, if the controller is plugged directly into the jack on the sound card.
Windows doesn't display a device category until it actually detects a device for that particular category.
If the sound card is integrated, check that it is enabled in the BIOS. If it is enabled, and you still don't see it in the Device Manager, try installing the latest drivers for the component from the manufacturer's website.
Toejam31
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