$ 0 0 Hi: The only suggestion I can offer is to install the W7 x64 IDT audio driver from the HP ENVY Sleekbook CTO 6z-1000: http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-107001-1&cc=us&dlc=en&lc=en&os=4063&product=5292990&sw_lang=