CompTIA A+ Question F-95

Which of the following should be the FIRST items to be removed when replacing the system board on a laptop? (Select TWO).

A. Keyboard
B. Battery
D. Palm rest
E. AC power adapter

Correct Answer: BE

Remove all power sources before opening the first screw on the laptop. Battery is a power source and can pose an electric hazard. So remove the battery and the AC power adapter that charges the battery.