A technician just finished assembling a new PC for a client. Upon POST, the device presents an unspecified beep code and turns off automatically after five seconds. The technician double-checks the bill of materials for the new build and confirms all items have been installed. Which of the following should the technician do NEXT?


A. Ensure thermal paste is being used on the CPU.
B. Check to make sure that any video cards have auxiliary power cabling connected.
C. Verify the header panel connector is properly connected.
D. Spot-check that the I/O shield for the motherboard is properly installed.