last monday lightning ran in on my computer, mb fried hd is still good tho this is what i have ...pavillion a705w 2.93 ghz celeron d 40 gig hd, this is what i want to do..... i want to install my oem hp hd into a old custom system i built years ago its a biostar 1.4ghz k7vig pro motherboard, i tried to just plug my oem hp hd to my old biostar system but the hd rejects the biostar board, i think what is happing is the oem hp hd has a lock out to keep you from using another motherboard,not sure tho anyways run down of what i need to know how do i get my hp oem hd to run with my biostar board and not loose my programs and os from the hd? p.s. just in case you need to know the pavilion was xp home os and the biostar had 2000 pro on it dont know if it matters or not, thank anyone that could send help my way, i really dont want to format my hp hd and would like to find a way to plug it in and have it run as if it where still in the pavilion anyways thanks to anyone that can help