I have installed windows 8 64 bits and all of driver in http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?os=4132&lc=en&cc=us&dlc=en&sw_lang=&product=5215106. Although everything was ok and I can listen to it, the beats audio button still not work. I open beats audio control panel, go to advanced settings tab, and stick on the radio button of volume control direction at bottom but it didn't change.
Everyone could help me to install driver for it? Thanks!