Before servicing a laptop, which of the following precautions must be taken?

Before servicing a laptop, which of the following precautions must be taken?

Before servicing a laptop, which of the following precautions must be taken?

A.
The alternating current (AC) adapter must be unplugged.

B.
The laptop battery must be installed.

C.
The laptop must be placed in a stand by state.

D.
The laptop must be placed in a hibernate state.



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