A technician is installing an upgrade of Windows on a machine using an external drive. After
rebooting the installation process hangs and reports the media cannot be found. Which of
the following will correct this issue?

A.
Select PXE boot as the first boot method in the BIOS

B.
Change the CPU speed in the BIOS to a supported value

C.
Load third party drivers for the external drive and adapter

D.
Reset the system clock to a previous time and date