Just to go back to bsics......just in case!.... reboot,.....go in to BIOS and load Optimized defaults ..... save and reboot.........go into BIOS again ....if in IDE reset to ACHI and what ever else you need depending on your setup........."Optimized defaults" tells your BIOS to goes a huntin for everything in your box..........this will give you the best chance at getting all your kit recognized by the Motherboard......good start anyway!
Aussie Allan