Did you follow the instructions in this link?
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&docname=bph07145#bph07145_cp
As far as i can tell those are the steps you need to take to do the recovery.
http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&docname=bph07145#bph07145_cp
As far as i can tell those are the steps you need to take to do the recovery.