Hello!
downlaod sound
driver from this HP compaq
site : (it's the first link "Audio-driver")
try to install and see if that works.
if not then:
open
device manager and right click on
unknown device (which is you sound card) then
properties
click on
details tab and
hardvare IDS in dropdown list,
now copy all and paste here.
it looks like this:
USB\VID_04F2&PID_B008&REV_9327&MI_00
USB\VID_04F2&PID_B008&MI_00
using that info we may be able to find driver for your soundcard.