You work at a computer repair store. You just upgraded the processor (CPU) in a customer's Windows-based computer. The customer purchased the latest AMD Phenom II processor, and you installed it in the computer. When you power the computer on, you only see a blank screen.
Which of the following is MOST likely causing the computer displaying a blank screen? (Select TWO).
Someone unplugged the computer without performing a proper shutdown first.
A. The CPU is bad.
B. The CPU is not supported by the BIOS.
C. The heat sink and fan were not installed correctly.
D. The power connector for the fan was not connected to the motherboard.