Support Information:
Device Type: Sound Card
Manufacturer: Hewlett Packard (HP)
Model: Pavillion
Interface: SCSI
Operating System: Windows XP Professional
Age of Device: Not specified
FCCID:

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=456&qa5=19&qa7=1500&dp=3&qm0=Pavillion&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Hewlett+Packard+%28HP%29+Sound+Card++Pavillion+W indows+XP+Professional+) | Research manufacturer Hewlett Packard (HP) (http://members.driverguide.com/index.php?action=getinfo&companyid=456)

No sound device description only leaves us with a couple of flavors for ya:

To find make and model of pc hardware, EVEREST Home Edition is a free system diagnostics, system information program that will id most hardware onboard a mb. as well as the actual motherboard.

http://www.softpedia.com/get/System/System-Info/Everest-Home-Edition.shtml

Alternate Everest download link: (offers 2 sites to dl program from)
http://www.softpedia.com/progDownload/EVEREST-Home-Edition-Download-16369.html

Run the program and then:

Click on Computer
Click on Summary
Right hand window (hardware) if the text is blue this is a link to the web site for that particular hardware.

If you need additional help, please post a SUMMARY report from Everest.

or visit the HP website... www.hp.com