CompTIA A+ Question I-86

Which of the following are steps to take before replacing or updating the memory in a laptop? (Select TWO).

A. Unplug the AC power adapter
B. Remove the keyboard and touchpad
C. Separate the screen from the base
D. Remove the battery
E. Remove all of the screws from the bottom of the case

Correct Answer: AD

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
C. LCD
D. Palm rest
E. AC power adapter

Correct Answer: BE

Explanation:
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.