CompTIA A+ Question I-28

Which of the following precautions should be followed when replacing RAM in a laptop computer? (Select TWO).

A. Remove CMOS battery
B. Follow ESD procedures
C. Remove all power
D. Remove CD-ROM drive
E. Check for liquid contamination

Correct Answer: BC

Explanation:
Before replacing a RAM in a laptop, disconnect all power sources. Wait a few minutes and use an ESD wrist strap or a mat for electrostatic discharge.