A computer is displaying an "Operating system is not found" error whenever it is powered on. The computer is secured in a cabinet, so that only the front panel is accessible. The technician boots from a Windows installation CD and finds that there is a Windows folder on the computer. Before attempting a re-installation of the operating system, which of the following should the technician do NEXT?
A. Change the boot order in the BIOS so that hard drive is the first bootable device.
B. Start Recovery Console from the Windows installation CD and run FDISK.
C. Start Recovery Console from the Windows installation CD and run a CHKDSK /R.
D. Perform a side-by-side installation of Windows on the hard drive from the installation CD.