Which utility in XP home is used to solve software and hardware issues with
no sound? Or Video problems? What would you do?

This Compaq Presario SR1710NX Desktop PC has perfect onboard sound.
XP Home Srv Pak 3.

An ASUS / ATI / Video card was added. The video works perfect but no SOUND.
No SOUND device in Control Panel.

The VIDEO card was removed. The onboard SOUND started working perfect.

The VIDEO card and a SOUND card / drivers / was added. No SOUND.

The VIDEO card was removed. The onboard SOUND started working perfect.

There are no errors in DEVICE MANAGER.

Which utility will solve this? What would you do? Thank you from New
Orleans