Elitebook 8440P No Audio in Device manager

I am currently working on an HP Elitebook 8440p and I did a full reinstall of the OS (Windows XP Pro). All the drivers are installed and there are no issues in the device manager. The issue is that the sound driver wont install. I try to install the provided IDT audio driver and it says that the supported hardwared doesn't exist. And in windows XP under sound devices it says that none exist. So I'm not sure where to go from here, is the sound card/chip bad? Ive never had a driver not show up with the yellow question mark in device manager when something is not working.
Thank you,
Trenton Epperson

Hi,
Have you tried to install Microsoft UAA BEFORE install the IDT driver ? Please download (link provided) and install UAA first
Regards.
BH
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