A server technician has been attempting to install an operating system on the company test serverfor several days. The technician has experienced error messages at several points of theinstallation and the system has frozen during various parts of the boot process. The technician hasreplaced the power supply， graphics card and installation disk with known good components.Which of the following could be causing these issues？（）

A. Storage driver not loaded
B. Fragmented hard drive
C. Damaged or faulty NIC chipset
Damaged or faulty system board
E. Memory incompatible with the processor
F. Missing voltage regulator