You work at a computer repair store. You have just upgraded the processor $($CPU$)$ in a customer's Windows$-$based computer. The customer purchased the latest AMD Ryzen processor, and you installed it in the computer. But when you power the computer on$,$ you only see a blank screen.

Which of the following is MOST likely causing the computer to display the blank screen? $($Select two.$)$

The heat sink and fan were not installed correctly.

The CPU is not supported by the BIOS.

The power connector for the fan was not connected to the motherboard.

The CPU is bad.

Someone unplugged the computer without performing a proper shutdown first.