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单选题
A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?()
A

StickyKeys is enabled and needs to be disabled.

B

The new keyboard is defective and needs to be replaced.

C

The system board is defective.

D

The keyboard ribbon is not seated properly.


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