Which of the following would BEST resolve this issue?

An end user’s laptop has a USB mouse connected. The user removes the USB mouse to pack up at the end of the work day.
Before shutting down, the user tries to check a document but finds the built-in peripherals no longer work. Which of the following would BEST resolve this issue?
A. Check the keyboard layout in Settings.
B. Check the touch-pad settings.
C. Check the power management settings.
D. Check that the function key is not stuck.

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