Over the weekend I reloaded WIn 7 on my pc, before the reload I had 2 drives in a mirrored raid configuration, after reload I know have 2 seperate drives. I have been into the BIOS and changed RAID settings so that drives are in RAID configuration but now windows cannot recognise boot up device. Obviously the change from a single drive to a raid has confused windows and so it can't find the boot drive. I am not sure why the raid was not recognised during the software reload, or why I had to go into the BIOS to change raid settings as they were fine before the reload. My question is can I get my RAID back without reloading my software again?