When I turn on my Laptop it says Operating system not found. I enter on\nBIOS setting witch is everything on default .I change boot order. First\nboot Floppy, Second Boot CD ROM third boot HDD. Save and Restart\nComputer woks good. When I Turn computer Off and back On\nis restoring BIOS to default but I do not loose time and date.\n\nSomebody help me please.