This document pertains to HP Notebook PCs.
Understanding the audio driver problem
On some specific models of notebook, the ADI SoundMAX HD audio driver will not install.
Resolve the audio driver problem
To resolve this issue, download and install the Microsoft Universal Audio Architecture Bus Driver (SP32646, version 1.00, rev. A) or later from the HP Drivers and Downloads page.
See also (in English)
Download file directly from FTP.HP.COM: SP32646 File Download
Information about file from FTP.HP.COM: SP32646 Instructions/Information