What I can't see is, if you can get to the main BIOS window. There you should see something like "Restore safe defaults". Sometimes these are just oddities, like I've had my Asus mobo reporting "Overclock function not working", or something, when I didn't have any overclocking!
Sometimes CMOS batteries fail, to get a new one doesn't cost much. If it's a new comp with warranty, take it to service, it shouldn't act that way.