单选题A technician has just completed a CPU upgrade on a motherboard. Which of the following will MOST likely cause the PC not to boot?（）AThe technician used generic thermal paste.BThe processor had pins broken during installation.CThe memory is incompatible with the new CPU.DAn incorrect fan size was installed on the heatsink.
单选题
A technician has just completed a CPU upgrade on a motherboard. Which of the following will MOST likely cause the PC not to boot?（）
A
The technician used generic thermal paste.
B
The processor had pins broken during installation.
C
The memory is incompatible with the new CPU.
D
An incorrect fan size was installed on the heatsink.
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