Howdy, I tried searching so if there is a previous post can someone give me the link. I have an Abus Mobo, not sure which one but its new, I just got a new WD sata drive 300mb for the last three months all was well, I have had no crashes, lock-ups nothing, when I left to work yesterday morning my computer was running fine, I am pretty computer literate so I make sure I defrag, run norton every day so on. Anyway when I come home my computer is on a screen saying re-start an choose OS. Looking into my Bios I discover it isn't seeing MY HD and after opening the case and checking ALL conections and checking for anything unusual in the cas and on my HD such as a burnt smell nothing seems strange. I have power to every thing (600w) and new) I removed siad HD and check connections and I restart. At first it see's it but then nothing. My only obvious concern is retreiving some important stuff of the HD, but im wondering is there something I may be missing? thanks!