hi ,
welcome all
i can understand how much you are annoyed because of this problem
now follow this please
right ckick on My Computer > properties > device manager
then select your audio device in the audio and sound section
right ckick on it and uninstall it
restat your PC
then follow the same steps again then reinstall it
now get your old SOUND and AUDIO driver from HP website
install it
if this helped please click accept as a solution or give me kodus from the left panal