You have a computer that contains a DVD drive and a single 350-GB hard disk drive. You attempt to install Windows 7 on the computer by using the DVD installation media and receive the following error message: “Reboot and Select proper Boot device or Insert Boot Media in selected Boot device.” You need to ensure that you can install Windows 7 on the computer by using the DVD installation media. What should you do?

A.
From the BIOS, modify the startup order.

B.
From the BIOS, enable Pre-Boot Execution Environment (PXE).

C.
Create an answer file named oobe.xml and place the file on the hard disk drive.

D.
Create an answer file named autounattend.xml and place the file on the hard disk drive.