I've upgraded to Windows 8.1 and installed the IDT High-Definition audio driver from HP's website. The surround sounds seems to be working but the controls do not work to modify the EQ etc. I've seen the problem has been resolved for Envy laptops but all the links for the software appear to only be for the notebooks and not compatible with my desktop system. I've downloaded the available software (IDT High-Definition Audio driver) found under my HPE HI-1287 product from HP's support site but the Beats audio control panel doesn't seem to make any sound quality changes. Hopefully there is a driver somewhere compatible with my desktop system that allows controling the audio properly. Thanks.
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