Also, run this BIOS Update too.. This resolves a lot of issues.
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-129960-1&cc=us&dlc=en&lc=en&os=4158&product=6842215&sw_lang=
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-129960-1&cc=us&dlc=en&lc=en&os=4158&product=6842215&sw_lang=