Need help with BIOS boot setup

#1
I just bought an Alienware Laptop and want to alter the BIOS (version 1.0.8) boot priority setup to try to boot from a "repair disk" if one is available before booting from HD. Would someone please advise what commands i should enter to the BIOS.
 
#2
I just bought an Alienware Laptop and want to alter the BIOS (version 1.0.8) boot priority setup to try to boot from a "repair disk" if one is available before booting from HD. Would someone please advise what commands i should enter to the BIOS.
what OS are you running on it? Is the OS on it stock from factory?