CompTIA A+ 220-902 Question C-79

A user reports that their laptop’s keyboard has areas where the keys always get stuck together. After disassembling the keyboard to clean it, which of the following processes would be the FIRST step to properly reassemble the keyboard?

A. Power on laptop to verify functionality
B. Use appropriate hand tools
C. Test on another machine
D. Refer to manufacturer documentation

Correct Answer: D